Roof Cleaning Without Pressure Washing (Won’t Damage Your …

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Are you thinking of having your roof tiles jet washed?

Think again.

As stated by several roof tile manufacturers and the UKs Trading Standards organization, pressure washers CAN damage roof tiles, strip the surface granules from the tiles and SHORTEN tile life expectancy. There is also a risk of flooding to the loft space.

Read more about why pressure washing a roof is a very stupid thing to do

Roof cleaning can be achieved by manually removing any excess moss and then applying the correct chemicals to the tiles. This approach doesnt involve any water (no mess!) and wont damage the tiles.

It does involve using some chemicals (such as MossGo) and also a good dose of patience!

One of the most gentle yet effective ways to remove roof moss and clean the roof is by way of scraping. A normal 9 trowel is suitable, if your roofing contractor chooses a dry day any moss will flake off the roof much easier and there wont be any scratch marks on the tiles. This approach is recommended by Forticrete who are one of several roof tile producers in the United Kingdom.

If you are concerned about scuff marks to the tiles then a rubber scraper and stiff brush can be used. Remember with this method there is no damage to the tiles and no flood risk, unlike other roof cleaning methods such as high-powered pressure washing.

Look at the photo below, the moss was removed with nothing more than a trowel and a hand brush, the difference compared to the mossy section of roof is striking.

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Roof Cleaning Without Pressure Washing (Won't Damage Your ...