Siding Installation | Insulated Vinyl Siding Installation

Many of insulated sidings attributes and installation techniques are the same as those of vinyl siding. The information contained in this section should be used as a supplement to information available in installation instructions included with insulated siding manufacturers materials and in the VSI Vinyl Siding Installation Manual,17 which was developed using the ASTM D4756 Standard Practice for Installation of Rigid Poly(Vinyl Chloride) (PVC) Siding and Soffit.

Installing insulated siding requires many of the same techniques as vinyl siding. Before getting started, it is important to review several rules of thumb for insulated siding installation. For more specific details and illustrations of proper vinyl siding installation, including vertical panels, please consult the VSI Vinyl Siding Installation Manual at http://www.vinylsiding.org/installation/manual. While the insulated siding manufacturers installation instructions should always be consulted, the following rules are critical for proper installation:

Insulated siding installers should always consult the manufacturers instructions, but the following general panel installation instructions apply:

Because insulated siding is thicker than vinyl siding, windows, doors and openings may have to be built out. Installers should use wood shims and either aluminum trim coil or vinyl lineals to build out openings.

To complete the final course of insulated siding at the top of a wall, installers should complete the following:

Before installing insulated siding, inspect walls for evidence of moisture damage. If the condition of the existing siding, sheathing or interior wall finish indicates an existing moisture problem, no insulation should be installed until the moisture problem has been identified and corrected. Seal gaps in external window trim and other areas that may admit rain water into the wall. Level the exterior wall by removing existing siding or sheathing or add surface leveling foam such as fan-fold over a water-resistive barrier.

Insulated siding can be installed over furring strips, but in order for insulated siding to qualify as home insulation, it must be installed directly over a water-resistive barrier and sheathing. Insulated siding installed directly over furring strips would not be considered home insulation.

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Siding Installation | Insulated Vinyl Siding Installation