Sickness Including Hospitalization Costly Repair Bills Cause Your Home To Be Condemned

It is impossible to get rid of mold as mold spores will be floating in the air and in house dust. The mold spores will continue to grow if there is moisture present. Therefore, it is important to find and clean up the mold and fix the water/moisture problem that is the source of the mold. If the mold is cleaned up, but the water/moisture source is not fixed, the mold WILL come back. Dead mold may still cause allergic reactions in some people, so it is not enough to simply remove the mold that you can see.

Professional mold removal by Earth Safe Environmental techs can help make your property or home mold free. If you have mold, get help to keep your home and family healthy. Mold can damage property, reduce the value of your antiques and cause health issues for your family. Children and the elderly are very susceptible to mold related breathing problems. The allergy prone can also experience significant breathing problems.

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Stop mold from harming your home and your health. Michael & Son provides systematic andprompt mold remediation for residents in Washington DC, Maryland, and Virginia. You cant afford to allow mold to grow and release spores throughout your home. It not only causes damage, but it can make you and your family sick.

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The Steps for Mold Remediation in DC, MD, and VA Molds can grow anywhere that moisture is present. If your home has water damage or an area of your home is damp, the chances are you probably have mold. When you need mold remediation, dont try to do it yourself. Theres more to mold than meets the eye.

While not all mold types are dangerous, there are a few types that are toxic even deadly. For mold cleanup, depend on the mold experts at Michael & Son for assessment, removal, and repair. Our mold remediation process involves

Black Mold Removal in Virginia & Maryland Black mold is not only dangerous, it can be deadly as well. In fact, it is vital that you consult ablack mold removal expert if you suspect that it is in your home. Do not disturb the mold, because it has harmful mycotoxins that are easily released if you touch the area. Our certified specialists use advanced equipment and mold cleanup that ensure your home environment is safe again.

Contact the mold experts at our company for fast mold remediation services when you notice black spots spreading on your wall. We proudly serve customers in the following areas: Washington DC; Virginia: Alexandria, Arlington, Fairfax, Reston, Herndon, Ashburn, and Chantilly; Maryland: Rockville, Silver Spring, Bethesda, Gaithersburg, and Prince Georges.

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Concern about indoor exposure to mold has been increasing as the public becomes aware that exposure to mold can cause a variety of health effects and symptoms, including allergic reactions. This document presents guidelines for the remediation/cleanup of mold and moisture problems in facilities at NC State University including measures designed to protect the health of building occupants and remediators.

Mold can be found almost anywhere; it can grow on virtually any organic substance, as long as moisture and oxygen are present. There is mold that can grow on wood, paper, carpet, foods, and insulation. When excessive moisture accumulates in buildings or on building materials, mold growth will often occur, particularly if the moisture problem remains undiscovered or unaddressed. It is impossible to eliminate all mold and mold spores in the indoor environment. However, mold growth can be controlled indoors by controlling moisture indoors.

Since mold requires water to grow, it is important to prevent moisture problems in buildings. Moisture problems can have many causes, including uncontrolled humidity. Some moisture problems in buildings have been linked to changes in building construction practices during the 1970s, 80s, and 90s. Some of these changes have resulted in buildings that are tightly sealed, but may lack adequate ventilation, potentially leading to moisture buildup. Building materials, such as drywall, may not allow moisture to escape easily. Moisture problems may include roof leaks, landscaping or gutters that direct water into or under the building, and unvented combustion appliances. Delayed maintenance or insufficient maintenance are also associated with moisture problems in schools and large buildings. Moisture problems in portable classrooms and other temporary structures have frequently been associated with mold problems.

In some cases, indoor mold growth may not be obvious. It is possible that mold may be growing on hidden surfaces, such as the backside of dry wall, wallpaper, or paneling, the top of ceiling tiles, the underside of carpets and pads, etc. Possible locations of hidden mold can include pipe chases and utility tunnels (with leaking or condensing pipes), walls behind furniture (where condensation forms), condensate drain pans inside air handling units, porous thermal or acoustic liners inside ductwork, or roof materials above ceiling tiles (due to roof leaks or insufficient insulation).

Some building materials, such as dry wall with vinyl wallpaper over it or wood paneling, may act as vapor barriers, trapping moisture underneath their surfaces and thereby providing a moist environment where mold can grow. You may suspect hidden mold if a building smells moldy, but you cannot see the source, or if you know there has been water damage and building occupants are reporting health problems. Investigating hidden mold problems may be difficult and will require caution when the investigation involves disturbing potential sites of mold growthmake sure to use PPE.

For example, removal of wallpaper can lead to a massive release of spores from mold growing on the underside of the paper. If you discover hidden mold, you should revise your remediation plan to account for the total area affected by mold growth.

Assess the size of the mold or moisture problem and the type of damaged materials before planning the remediation work.

The decision to relocate occupants should consider the size and type of the area affected by mold growth, the type and extent of health effects reported by the occupants, the potential health risks that could be associated with debris, and the amount of disruption likely to be caused by remediation activities. If possible, remediation activities should be scheduled during off-hours when building occupants are less likely to be affected.

The Key to Mold Control

If you are unsure what to do, or if the item is expensive or of sentimental value, you may wish to consult a specialist. Specialists in furniture repair/restoration, painting, art restoration and conservation, carpet and rug cleaning, water damage, and fire/water restoration are commonly listed in phone books. Be sure to ask for and check references; look for affiliation with professional organizations. Molds Can Damage Building Materials and Furnishings

A variety of mold cleanup methods are available for remediating damage to building materials and furnishings caused by moisture control problems and mold growth. The specific method or group of methods used will depend on the type of material affected. Please note that professional remediators may use some methods not covered in these guidelines;absence of a method in the guidelines does not necessarily mean that it is not useful.

Method 1: Wet Vacuum

Wet vacuums are vacuum cleaners designed to collect water. They can be used to remove water from floors, carpets, and hard surfaces where water has accumulated. They should not be used to vacuum porous materials, such as gypsum board. They should be used only when materials are still wetwet vacuums may spread spores if sufficient liquid is not present. The tanks, hoses, and attachments of these vacuums should be thoroughly cleaned and dried after use since mold and mold spores may stick to the surfaces.

Method 2: Damp Wipe

Whether dead or alive, mold is allergenic, and some molds may be toxic. Mold can generally be removed from nonporous (hard) surfaces by wiping or scrubbing with water, or water and detergent. It is important to dry these surfaces quickly and thoroughly to discourage further mold growth. Instructions for cleaning surfaces, as listed on product labels, should always be read and followed. Porous materials that are wet and have mold growing on them may have to be discarded. Since molds will infiltrate porous substances and grow on or fill in empty spaces or crevices, the mold can be difficult or impossible to remove completely.

Method 3: HEPA Vacuum

HEPA (High-Efficiency Particulate Air) vacuums are recommended for final cleanup of remediation areas after materials have been thoroughly dried and contaminated materials removed. HEPA vacuums are also recommended for cleanup of dust that may have settled on surfaces outside the remediation area. Care must be taken to assure that the filter is properly seated in the vacuum so that all the air must pass through the filter. When changing the vacuum filter, remediators should wear PPE to prevent exposure to the mold that has been captured. The filter and contents of the HEPA vacuum must be disposed of in well-sealed plastic bags.

Method 4: Discard

Remove Damaged Materials and Seal in Plastic Bags

Building materials and furnishings that are contaminated with mold growth and are not salvageable should be double-bagged using 6-mil polyethylene sheeting. These materials can then usually be discarded as ordinary construction waste. It is important to package mold contaminated materials in sealed bags before removal from the containment area to minimize the dispersion of mold spores throughout the building. Large items that have heavy mold growth should be covered with polyethylene sheeting and sealed with duct tape before they are removed from the containment area.

Always use gloves and eye protection when cleaning up mold!

If the remediation job disturbs mold and mold spores become airborne, then the risk of respiratory exposure goes up. Actions that are likely to stir up mold include: breakup of moldy porous materials such as wallboard; invasive procedures used to examine or remediate mold growth in a wall cavity; actively stripping or peeling wallpaper to remove it; and using fans to dry items.

The primary function of Personal Protective Equipment (PPE) is to avoid inhaling mold and mold spores and to avoid mold contact with the skin or eyes.

Skin and Eye Protection

Gloves are required to protect the skin from contact with mold allergens (and in some cases mold toxins) and from potentially irritating cleaning solutions. Long gloves that extend to the middle of the forearm are recommended. The glove material should be selected based on the type of materials being handled. If you are using a biocide (such as chlorine bleach) or a strong cleaning solution, you should select gloves made from natural rubber, neoprene, nitrile, polyurethane,or PVC. If you are using a mild detergent or plain water, ordinary household rubber gloves may be used. To protect your eyes, use properly fitted goggles or a full-face respirator with HEPA filter. Goggles must be designed to prevent the entry of dust and small particles. Safety glasses or goggles with open vent holes are not acceptable.

Respiratory Protection

Respirators protect cleanup workers from inhaling airborne mold, mold spores, and dust.

Minimum : When cleaning up a small area affected by mold, you should use an N-95 respirator. This device covers the nose and mouth, will filter out 95% of the particulates in the air, and is available in most hardware stores.

Limited : Limited PPE includes use of a half-face or full-face air purifying respirator (APR) equipped with a HEPA filter cartridge. These respirators contain both inhalation and exhalation valves that filter the air and ensure that it is free of mold particles. Note that half face APRs do not provide eye protection. In addition, the HEPA filters do not remove vapors or gases. You should always use respirators approved by the National Institute for Occupational Safety and Health (see Resources List).

Full : In situations in which high levels of airborne dust or mold spores are likely or when intense or long-term exposures are expected (e.g., the cleanup of large areas of contamination), a full-face, powered air purifying respirator (PAPR) is recommended. Full-face PAPRs use a blower to force air through a HEPA filter. The HEPA-filtered air is supplied to a mask that covers the entire face or a hood that covers the entire head. The positive pressure within the hood prevents unfiltered air from entering through penetrations or gaps. Individuals must be trained to use their respirators before they begin remediation. The use of these respirators must be in compliance with OSHA regulations .

Disposable Protective Clothing

Disposable clothing is recommended during a medium or large remediation project to prevent the transfer and spread of mold to clothing and to eliminate skin contact with mold.

Limited : Disposable paper overalls can be used.

Full : Mold-impervious disposable head and foot coverings, and a body suit made of a breathable material, such as TYVEK, should be used. All gaps, such as those around ankles and wrists, should be sealed (many remediators use duct tape to seal clothing).

The purpose of containment during remediation activities is to limit release of mold into the air and surroundings, in order to minimize the exposure of remediators and building occupants to mold . Mold and moldy debris should not be allowed to spread to areas in the building beyond the contaminated site.

In general, the size of the area helps determine the level of containment. However, a heavy growth of mold in a relatively small area could release more spores than a lighter growth of mold in a relatively large area. Choice of containment should be based on professional judgment. The primary object of containment should be to prevent occupant and remediator exposure to mold.

Limited Containment

Limited containment is generally recommended for areas involving between 10 and 100 square feet (ft 2 ) of mold contamination. The enclosure around the moldy area should consist of a single layer of 6- mil, fire-retardant polyethylene sheeting. The containment should have a slit entry and covering flap on the outside of the containment area.

For small areas, the polyethylene sheeting can be affixed to floors and ceilings with duct tape.

For larger areas, a steel or wooden stud frame can be erected and polyethylene sheeting attached to it.

All supply and air vents, doors, chases, and risers within the containment area must be sealed with polyethylene sheeting to minimize the migration of contaminants to other parts of the building. Heavy mold growth on ceiling tiles may impact HVAC systems if the space above the ceiling is used as a return air plenum. In this case, containment should be installed from the floor to the ceiling deck, and the filters in the air handling units serving the affected area may have to be replaced once remediation is finished.

The containment area must be maintained under negative pressure relative to surrounding areas. This will ensure that contaminated air does not flow into adjacent areas. This can be done with a HEPA-filtered fan unit exhausted outside of the building. For small, easily contained areas, an exhaust fan ducted to the outdoors can also be used. The surfaces of all objects removed from the containment area should be remediated/cleaned prior to removal

Moisture Control is the Key to Mold Control

Full Containment

Full containment is recommended for the cleanup of mold contaminated surface areas greater than 100 ft 2 or in any situation in which it appears likely that the occupant space would be further contaminated without full containment. Double layers of polyethylene should be used to create a barrier between the moldy area and other parts of the building. A decontamination chamber or airlock should be constructed for entry into and exit from the remediation area. The entryways to the airlock from the outside and from the airlock to the main containment area should consist of a slit entry with covering flaps on the outside surface of each slit entry. The chamber should be large enough to hold a waste container and allow a person to put on and remove PPE. All contaminated PPE, except respirators, should be placed in a sealed bag while in this chamber.

Respirators should be worn until remediators are outside the decontamination chamber. PPE must be worn throughout the final stages of HEPA vacuuming and damp-wiping of the contained area. PPE must also be worn during HEPA vacuum filter changes or cleanup of the HEPA vacuum.

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Mold Inspection NJ. Mold Inspection and testing is about investigating and finding all of the mold at your property.Hygrometers, moisture meters,borescopes and even thermal cameras all used to help find mold that may be hidden. Air & surface samples are sent to 3rd party certified labs for analysis to identify mold species and determine spore counts after mold is discovered. Lab results help to decide the correct course of action for removal if above normal levels are found.

Mold Remediation NJ. Mold removal and mold remediation is all about removing mold and mold spores from your property. Mold removal procedures can differ for each project and usually involves: containment of worki area, disinfectant and anti-microbial misting, cleaning and treating of structural elements and application of patented polymer/silver ion sealer to prevent future mold growth.

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Widely accepted as a leading authority on mold inspection, mold testing, mold remediation, and mold removal, Absolutely Spotless, Inc. is affordable and offer practical solutions to your contamination problems. We're MICRO certified remediators, licensed, and of course fully insured. Absolutely Spotless, Inc. has been helping the residents of North Brunswick NJ, West Milford NJ, Secaucus NJ, Haledon NJ, Hampton NJ, and most other towns throughout the state since 1995.

Question: How does mold become airborne? In indoor environments mold will grow on moist surfaces such as the drywall, wallpaper, carpet, baseboards, and heating, ventilation and air-conditioning systems. As the mold grows, a stage is reached when it will produce spores. The spores then become airborne (aerosolized) after drying out or if they are disturbed.

If mold is Airborne in a building Air Duct Cleaning is necessary

Question: Can air duct systems become contaminated with mold? Yes, air duct systems can become contaminated with mold, either by supporting mold growth inside (e.g., from a dirty or clogged air conditioning pan, due to over-humidification of system, etc.) or by being a means of circulating and distributing spores from one location to other parts of the home.

Question: Should I have my ducts cleaned? That depends on the results to the air sampling that was taken in your home. If the airborne levels of moldare high in the home, we always recommend the Air Duct System be cleaned and sanitized.

Question: I have mold in my basement but no one ever goes down there. Can this be a problem? Yes. It is possible that contaminants can enter small openings in the ventilation system and be distributed to other parts of the home.

Question: Can ozone air cleaners improve or reduce odor or pollution levels? Some air cleaners are designed to produce ozone. Ozone is a strong oxidizing agent used as a disinfectant for water and sometimes to eliminate odors. However, ozone is a known lung irritant. Symptoms associated with exposure include cough, chest pain, and eye, nose and throat irritation. Ozone generators have been shown to generate indoor levels above the safe limit. Furthermore, it has been demonstrated that ozone is not effective in controlling molds and fungi, even at high concentrations far above safe health levels. Also ozone may damage materials in the home. For these reasons, the EPA strongly recommends that you do not use an ozone air cleaner in any occupied residential space.

Question: Can ozone air cleaners be used in unoccupied spaces? They are sometimes promoted to treat homes, furniture and clothing after fires to remove smoke odors. Ozone is a strong oxidizer that will accelerate the degradation of rubber, upholstery, paints and other materials. Hence even when used in unoccupied areas, ozone generators can cause damage to building materials and electronic devices. the use of Air Scrubbers is a much safer way to remove airborne mold contamination.

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Mold Removal, Mold Remediation, North Brunswick, West ...

Mold (American English) or mould (British English) is part of the natural environment. Outdoors, molds play a part in nature by breaking down dead organic matter such as fallen leaves and dead trees; indoors, mold growth should be avoided. Molds reproduce by means of tiny spores. The spores are invisible to the naked eye and float through the air. Mold may begin growing indoors when spores land on moist surfaces. There are many types of mold, but all require moisture for growth.

Molds are ubiquitous, and mold spores are a common component of household and workplace dust. In large amounts they can be a health hazard to humans, potentially causing allergic reactions and respiratory problems.

Some molds produce mycotoxins that can pose serious health risks to humans and animals. "Toxic mold" refers to molds which produce mycotoxins, such as Stachybotrys chartarum.[1] Exposure to high levels of mycotoxins can lead to neurological problems and death. Prolonged exposure (for example, daily exposure) can be particularly harmful.

Symptoms of mold exposure may include:[2]

Infants may develop respiratory symptoms as a result of exposure to Penicillium, a fungal genus. Signs of mold-related respiratory problems in an infant include a persistent cough or wheeze. Increased exposure increases the probability of developing respiratory symptoms during the first year of life. Studies have indicated a correlation between the probability of developing asthma and exposure to Penicillium.[3]

Mold exposure has a variety of health effects, and sensitivity to mold varies. Exposure to mold may cause throat irritation, nasal stuffiness, eye irritation, cough and wheezing and skin irritation in some cases. Exposure to mold may heighten sensitivity, depending on the time and nature of exposure. People with chronic lung diseases are at higher risk for mold allergies, and will experience more severe reactions when exposed to mold. Damp indoor environments correlate with upper-respiratory-tract symptoms, such as coughing and wheezing in people with asthma.[4]

Molds are found everywhere, and can grow on almost any substance when moisture is present. They reproduce by spores, which are carried by air currents. When spores land on a moist surface suitable for life, they begin to grow. Mold is normally found indoors at levels which do not affect most healthy individuals.

Because common building materials are capable of sustaining mold growth and mold spores are ubiquitous, mold growth in an indoor environment is typically related to water or moisture and may be caused by incomplete drying of flooring materials (such as concrete). Flooding, leaky roofs, building-maintenance or indoor-plumbing problems can lead to interior mold growth. Water vapor commonly condenses on surfaces cooler than the moisture-laden air, enabling mold to flourish.[5] This moisture vapor passes through walls and ceilings, typically condensing during the winter in climates with a long heating season. Floors over crawl spaces and basements, without vapor barriers or with dirt floors, are mold-prone. The "doormat test" detects moisture from concrete slabs without a sub-slab vapor barrier.[6]

Significant mold growth requires moisture and food sources and a substrate capable of sustaining growth. Common building materials, such as plywood, drywall, furring strips, carpets, and carpet padding provide food for mold. In carpet, invisible dust and cellulose are food sources. After water damage to a building, mold grows in walls and then becomes dormant until subsequent high humidity; suitable conditions reactivate mold. Mycotoxin levels are higher in buildings which have had a water incident.[7]

Mold is detectable by smell and signs of water damage on walls or ceiling, and can grow in places invisible to the human eye. It may be found behind wallpaper or paneling, on the inside of ceiling tiles, the back of drywall, or the underside of carpets or carpet padding. Piping in walls may also be a source of mold, since they may leak (causing moisture and condensation).[8]

Spores need three things to grow into mold:

Mold colonies can grow inside buildings, and the chief hazard is the inhalation of mycotoxins. After a flood or major leak, mycotoxin levels are higher even after a building has dried out.[7]

Food sources for mold in buildings include cellulose-based materials such as wood, cardboard and the paper facing on drywall and organic matter such as soap, fabrics and dust-containing skin cells. If a house has mold, the moisture may originate in the basement or crawl space, a leaking roof or a leak in plumbing pipes. Insufficient ventilation may accelerate moisture buildup. Visible mold colonies may form where ventilation is poorest and on perimeter walls (because they are nearest the dew point).

If there are mold problems in a house only during certain times of the year, the house is probably too airtight or too drafty. Mold problems occur in airtight homes more frequently in the warmer months (when humidity is high inside the house, and moisture is trapped), and occur in drafty homes more frequently in the colder months (when warm air escapes from the living area and condenses). If a house is artificially humidified during the winter, this can create conditions favorable to mold. Moving air may prevent mold from growing, since it has the same desiccating effect as low humidity. Molds grow best in warm temperatures, 77 to 86F (25 to 30C), although growth may occur between 32 and 95F (0 and 35C).[9]

Removing one of the three requirements for mold reduces (or eliminates) new mold growth:

HVAC systems can produce all three requirements for mold growth. The air conditioning system creates a difference in temperature, encouraging condensation. The high rate of dusty air movement through an HVAC system may furnish ample food for mold. Since the air-conditioning system is not always running, warm conditions are the final component for mold growth.

The first step in assessment is to non-intrusively determine if mold is present by visually examining the premises; visible mold helps determine the level of remediation necessary. If mold is actively growing and visibly confirmed, sampling for its specific species is unnecessary.[8]

Intrusive observation is sometimes needed to assess the mold level. This includes moving furniture, lifting (or removing) carpets, checking behind wallpaper or paneling, checking ventilation ductwork and exposing wall cavities. Detailed visual inspection and the recognition of moldy odors should be used to find problems. Efforts should focus on areas where there are signs of liquid moisture or water vapor (humidity), or where moisture problems are suspected.

The United States Environmental Protection Agency (EPA) does not generally recommend sampling unless an occupant of the space has symptoms. Sampling should be performed by a trained professional with specific experience in mold-sampling protocols, sampling methods and the interpretation of findings. It should be done only to make a particular determination, such as airborne spore concentration or identifying a particular species. Before sampling, a subsequent course of action should be determined.

In the U.S., sampling and analysis should follow the recommendations of the Occupational Safety and Health Administration (OSHA), National Institute for Occupational Safety and Health (NIOSH), the EPA and the American Industrial Hygiene Association (AIHA).

If sampling is going to be performed an IEP (Indoor Environmental Professional) should be called in to do the testing. The IICRC S520 (Standard and Reference Guide for Professional Mold Remediation) defines and Indoor Environmental Professional (IEP) as an individual who is qualified by knowledge, skill, education, training, certification or experience to perform an assessment of the fungal ecology of structures, systems, and contents at a job site, create a sampling strategy, sample and indoor environment, submit samples to an appropriate labotory, interpret labotory data, determine Condition 1, 2 or 3, and verify the return of the fungal ecology to Condition 1. [10]

Types of samples include:

Multiple types of sampling are recommended by the AIHA, since each has limitations; for example, air samples will not identify a hidden mold source and a tape sample cannot determine the level of contamination in the air.[11]

The first step in solving an indoor mold problem is to remove the moisture source;[12] new mold will begin to grow on moist, porous surfaces within 24 to 48 hours. There are a number of ways to prevent mold growth. Some cleaning companies specialize in fabric restoration, removing mold (and mold spores) from clothing to eliminate odor and prevent further damage to garments.

The effective way to clean mold is to use detergent solutions which physically remove mold. Many commercially available detergents marketed for mold cleanup include an EPA-approved antifungal agent.[13]

Significant mold growth may require professional mold remediation to remove the affected building materials and eradicate the source of excess moisture. In extreme cases of mold growth in buildings, it may be more cost-effective to condemn the building than to reduce mold to safe levels.

The goals of remediation are to remove (or clean) contaminated materials, preventing fungi (and fungi-contaminated dust) from entering an occupied (or non-contaminated) area while protecting workers performing the abatement.[14]

The purpose of cleanup is to eliminate mold and remove contaminated materials. Killing mold with a biocide is insufficient, since chemicals and proteins causing reactions in humans remain in dead mold. The following methods are used:

Equipment used in mold remediation includes:

During mold remediation in the U.S., the level of contamination dictates the protection level for remediation workers.[16] Contamination levels have been enumerated as I, II, III, and IV:[17]

After remediation, the premises should be reevaluated to ensure success.

According to the EPA, residential mold may be prevented and controlled in the following ways:[8]

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Mold growth, assessment, and remediation - Wikipedia, the ...

Step 1: Overview

Mold is a major-league nuisance. It blackens the grout lines in your shower, discolors drywall, shows up as black spots on siding, darkens decks, and grows on and rots damp wood everywhere. Even worse, it can be bad for your health. It releases microscopic spores that cause allergic reactions, runny noses and sneezing, as well as irritating, even injurious, odors.

Almost every home gets mold infestations. The trick is to stop them before they get big and harm both you and your home. In this article, we'll show you how to identify mold and eliminate the small infestations as well as the big ones that have gotten out of hand.

You can easily remove minor mold with ordinary household cleaning products. But disturbing big infestations can be bad for your health, particularly if you are an allergy sufferer or have a weakened immune system. When you discover an extensive mold problem, we recommend that you use the rigorous protective measures we show in Photos 1 - 6, or consider calling in a professional to handle the problem. (Look under Industrial Hygiene Consultants or Environmental and Ecological Consultants in your Yellow Pages. Or call your local public health department.) And even if you hire pros, read through this article and make sure they follow similar precautions to keep the mold from spreading throughout your house.

A few types of mold are highly toxic. If you have an allergic reaction to mold or a heavy infestation inside your home, call in a pro to analyze the types. Or call tour local public heath department and ask for mold-testing advice.

Mold is everywhere. It's a type of fungus that grows from tiny spores that float in the air. It can grow almost anywhere that spores land and find moisture and a comfortable temperature, between 40 and 100 degrees F. Typically that includes about every damp place in your home.

You can easily spot the most visible type of mold, called mildew, which begins as tiny, usually black spots but often grows into larger colonies. It's the black stuff you see in the grout lines in your shower, on damp walls, and outdoors on the surfaces of deck boards and painted siding, especially in damp and shady areas. A mildewed surface is often difficult to distinguish from a dirty one. To test for mildew, simply dab a few drops of household bleach on the blackened area. If it lightens after one to two minutes, you have mildew. If the area remains dark, you probably have dirt.

Mildew is a surface type of mold that won't damage your home's structure. But other types of mold cause rot. Probe the suspect area with a screwdriver or other sharp tool (Photo 3). If the wood is soft or crumbles, the fungi have taken hold and rot has begun.

If you have a high concentration of mold, you may smell it. If you detect the typical musty odor, check for mold on damp carpets, damp walls, damp crawlspaces and wet wood under your floors, wet roof sheathing and other damp areas. Clean up these infestations right away before they get worse, and see the following photos for prevention measures.

Cut stained or musty carpet and pads into 6 x 8-ft. sections with a utility knife. Using a pump sprayer, mist the surfaces with water to control the spread of spores, and roll up the sections. Double-wrap them in 6-mil plastic and tape them with duct tape for disposal. Wear protective clothing and run an exhaust fan in the window.

Seal the room from the rest of the house. Cover the doorway with a barrier made of overlapping plastic sheeting and tape it to the wall and floor. Cover all air ducts in the room with plastic and tape.

Pry off baseboards and trim from contaminated areas with a pry bar and block of wood. Probe heavily stained or moisture-swollen walls using a screwdriver to discover and open up moisture damage and hidden mold in the insulation and wall framing.

Turn off the electrical power to the room and cut open the damaged wall with a reciprocating saw, drywall saw or utility knife. Mist the moldy drywall and insulation with the pump sprayer to avoid spreading mold spores. Double-bag moldy material in heavy-duty plastic bags and tie them shut.

You can scrub away the surface mold common to bathrooms, decks and siding in a matter of minutes with a 1-to-8 bleach/water solution. But often mold grows and spreads in places you don't notice, until you spot surface staining, feel mushy drywall or detect that musty smell.

If you have to remove mold concentrations covering more than a few square feet, where the musty odor is strong or where you find extensive water damage, we recommend that you take special precautions. You want to not only avoid contaminating the rest of the house but also protect yourself from breathing high concentrations of spores and VOCs.

Moisture damage and large mold infestations go hand in hand. Photos 1 - 7 demonstrate cleaning under an old leaky window where wind-driven rain frequently got into the wall and gave mold a foothold.

You have to open up the wall to get at the mold growing inside (Photo 4). Since you have to repair the wall anyway, don't hesitate to cut the drywall back beyond the obvious damage to find all the mold and let the wall dry out. To avoid cutting electrical wires, poke a hole through the damaged section and locate the wires first. Turn off the power to the outlets before you cut.

If the moisture damage has been neglected or gone unnoticed for long, you're likely to find rot. Where possible, remove and replace soft, spongy studs and wall sheathing. Where removal is difficult, treat the affected areas with a wood preservative (available at home centers), after cleaning the wood and allowing it to dry. Then double up rotted members with pressure-treated wood.

The key to stopping most mold is to control dampness. The worst infestations usually occur in damp crawlspaces, in attics and walls where water has leaked in from the outside, and in basements with poor foundation drainage. Stopping leaks, ensuring good ventilation in attics, keeping crawlspaces dry and routing water away from the foundation are the best defenses.

Mildewcide in paint is usually effective for controlling surface mold in damp rooms like bathrooms and outside in shady areas. Many paints already have mildewcide in them. Check with your paint dealer to be sure. You can add mildewcide, although you might void the paint warranty.

Vacuum up moldy debris with a standard wet/dry vacuum. Buy an extra length of hose and run it out the window so you can keep the vacuum outside to avoid further spore spread.

Scrub the surface mold stains from walls and wood trim with a mixture of 1 qt. water and 1/2 cup bleach to kill the mold. Use a soft brush and work until signs of the mold disappear.

Wipe off, but DO NOT RINSE these surfaces. Set trim in direct sunlight to dry. Scrub concrete with TSP or automatic dishwasher detergent.

Allow to dry, then seal all previously infested areas with a pigmented shellac- or oil-based primer. Then install new insulation and drywall and nail the trim back on.

Complete the initial cleanup by vacuuming up the debris (Photo 5). Thoroughly clean the wet/dry vac afterward by disposing of the filter and washing out the tank, hose and attachments with the bleach-and-water solution.

After scrubbing the surfaces (Photo 6), simply allow the bleach solution to continue to penetrate the surfaces and dry. Wash concrete floors with TSP, automatic dishwasher detergent or a chlorinated cleaner such as Comet.

Set out dehumidifiers and new fans to dry the now-cleaned areas for at least three days, then check them (by sight and smell) for mold. If you discover more mold, clean again with bleach.

When you're sure the mold has been eliminated, seal the wood surfaces with pigmented shellac like BIN or an oil-based primer like KILZ (Photo 7). Repaint cleaned wall surfaces with a regular latex paint that contains a mildewcide to help stop future mold growth. And keep in mind that if the moisture returns, mold will return.

Surface molds grow in just about any damp location, such as the grout lines of a ceramic tiled shower. They're easy to scrub away with a mixture of 1/2 cup bleach, 1 qt. water and a little detergent. The bleach in the cleaning mixture kills the mold, and the detergent helps lift it off the surface so you can rinse it away so it wont return as fast. You can also buy a mildew cleaner at hardware stores, paint stores and most home centers.

Even for simple cleaning, protect yourself from contact with mold and the bleach solution by wearing a long-sleeve shirt and long pants as well as plastic or rubber gloves and goggles.

If the mold doesnt disappear after light scrubbing, reapply the cleaning mix and let it sit for a minute or two. Then lightly scrub again.

Seal the clean surfaces when they're thoroughly dry to slow future moisture penetration. Apply a grout sealer (available at tile shops and home centers) to tile joints.

Don't mix ammonia or any detergent containing ammonia with bleach. The combination forms a poisonous gas.

Read more:
How To Remove Mold | The Family Handyman

Mold removal and remediation is the type of service a homeowner wants done right the first time. Informed consumers almost always consider cost as the most important variable in their search for the right product or service. However, as most informed consumer is aware, deciding on the services of a company with the cheapest cost is not always the best decision.

There are indeed many variables to take into consideration when choosing a service provider to do any type of work in your home. When it comes to mold removal and remediation, arming oneself with as much knowledge about the subject as possible is key to determining which company is the best fit for your budget. (Review Tips on Mold Removal)

A simple breakdown of service levels will help compare the cost of the remediation and quality of work being done, safeguarding your home from future mold outbreaks.

Mold Remediation Level 1

The least expensive option is also the least effective. Most of the time, the services performed at this level are: Simply cutting affected area away with a knife or saw Cleaning/Scrubbing of affected area, possibly without IICRC-approved chemicals Affected area will not be quarantined leaving your home susceptible to recolonization of mold spores on walls, above ceiling, below floors or in air ducts. Mold testing may or may not be done. However, if mold testing is completed, it will more than likely be done by the removal company itself and not be a 3rd Part Industrial Hygienist (IH) o Industrial Hygienists are certified by the American Industrial Hygiene Association, equipped with the most current and useful knowledge on Indoor Air Quality. o Companies performing testing without the use of a 3rd Party IH inherently cause a conflict of interest. All data could be altered for the benefit of the service provider.

Cost $500 $1000

Mold Remediation Level 2

Medium level jobs have a medium price tag. However, you wont always get that optimum level of service you hoped for. Variables to keep in mind with this level of service are: Like Level 1 jobs, all technicians may not be certified through the IICRC (Institute of Inspection Cleaning and Restoration Certification) The cost for mold removal will only covered a medium-sized affected area A third party IH may not be hired to conduct testing, causing potential risk to the work already done.

Cost $1,000 $5,000

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Mold Remediation Costs | Costs for Mold Remediation

Whats the Difference?

Since microscopic mold spores exist naturally almost everywhere, indoors and outdoors, removing all mold from a home or business is impossible. Some restoration businesses advertise mold removal and even guarantee to remove all mold. This is a fallacy.

A qualified restoration company understands the science behind mold and mold growth. SERVPRO Franchise Professionals have the training and expertise to remediate the mold in your home or business. Mold remediation focuses on getting mold levels back to normal, natural levels.

Every mold damage scenario is different and requires a unique solution, but the general mold remediation process stays the same. To learn more about our mold remediation process.

When water intrudes into your property, mold growth can start in as little as 48 hours. Consider the following mold facts:

Until Help Arrives

If possible, stay out of any affected areas, and don't touch or disturb the mold.

More Mold Damage Tips

About Black Mold

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Mold Removal versus Mold Remediation, What's the ...

What are the best temperatures for mold?

There are three critical temperatures for mold: the temperature below which no mold growth occurs, the temperature above which no mold growth occurs, and the temperature at which most rapid mold growth takes place. Most mold species grow in temperatures ranging from 59 to 95 F (15 to 35 C), although there are molds which will grow at almost freezing and others which thrive at over 150 F. The average optimum for mold growth is usually stated to be in the vicinity of 86 F. Freezing mold does not kill mold spores or mold colonies---they become dormant waiting for warm temperatures and access to moisture to grow again.

"Molds are microscopic fungi that comprise 25% of the earth's biomass. They can be found almost anywhere and can grow on virtually any organic substance as long as moisture and oxygen are present. Molds can grow on wood, paper, carpet, foods, and insulation. Moisture encourages mold growth. People who are allergic to mold or whose asthma is triggered by mold usually react to the spores, the reproductive bodies for molds. The process by which these spores are released into the air becomes intensified when moldy material is damaged or disturbed. Sometimes mold can produce a toxic substance called mycotoxins, which also can cause illness in sensitive populations, especially those with substantial exposures, such as agricultural workers. It is impossible to eliminate all mold and mold spores in the indoor environment. However, mold growth can be controlled indoors by controlling moisture. Many types of molds exist and they all have the potential to cause health effects. Molds produce allergens that can trigger allergic reactions or asthma attacks. Health concerns are an important reason to prevent mold growth and to remedy/clean up any existing indoor mold growth. The range of symptoms of overexposure to mold include cough, congestion, runny nose, eye irritation, and asthma symptoms. As is true of all environmentally-related illnesses, the sensitivity and vulnerability of the person will dictate the level of response to any given exposure." ---American Nursing Association

Molds are part of the natural environment. Outdoors, molds play a part in nature by breaking down dead organic matter such as fallen leaves and dead trees, but indoors, mold growth should be avoided. Molds reproduce by means of tiny spores; the spores are invisible to the naked eye and float through outdoor and indoor air. Mold may begin growing indoors when mold spores land on surfaces that are wet. There are many types of mold, and none of them will grow without water or moisture.

Molds are usually not a problem indoors, unless mold spores land on a wet or damp spot and begin growing. Molds have the potential to cause health problems. Molds produce allergens (substances that can cause allergic reactions), irritants, and in some cases, potentially toxic substances (mycotoxins). Inhaling or touching mold or mold spores may cause allergic reactions in sensitive individuals. Allergic responses include hay fever-type symptoms, such as sneezing, runny nose, red eyes, and skin rash (dermatitis). Allergic reactions to mold are common. They can be immediate or delayed. Molds can also cause asthma attacks in people with asthma who are allergic to mold. In addition, mold exposure can irritate the eyes, skin, nose, throat, and lungs of both mold-allergic and non-allergic people. Symptoms other than the allergic and irritant types are not commonly reported as a result of inhaling mold. Research on mold and health effects is ongoing.

It is impossible to get rid of all mold and mold spores indoors; some mold spores will be found floating through the air and in house dust. The mold spores will not grow if moisture is not present. Indoor mold growth can and should be prevented or controlled by controlling moisture indoors. If there is mold growth in your home, you must clean up the mold and fix the water problem. If you clean up the mold, but don't fix the water problem, then, most likely, the mold problem will come back. From Wikipedia...

Both our indoor and outdoor environment have mold spores present. There is no such thing as a mold free environment in the Earth's biosphere.

Spores needs three things to grow into mold:

Mold colonies can grow inside building structures. The main problem with the presence of mold in buildings is the inhalation of mycotoxins. Molds may produce an identifiable smell. Growth is fostered by moisture. After a flood or major leak, mycotoxin levels are higher in the building even after it has dried out (source: CMHC).

Food sources for molds in buildings include cellulose-based materials, such as wood, cardboard, and the paper facing on both sides of drywall, and all other kinds of organic matter, such as soap, dust and fabrics. Carpet contains dust made of organic matter such as skin cells. If a house has mold, the moisture may be from the basement or crawl space, a leaking roof, or a leak in plumbing pipes behind the walls. Insufficient ventilation can further enable moisture build-up. The more people in a space, the more humidity builds up. This is from normal breathing and perspiring. Visible mold colonies may form where ventilation is poorest, and on perimeter walls, because they are coolest, thus closest to the dew point.

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