Recommended Insulation Under Vinyl Siding

We will start with hot climates.

Recommended insulation under vinyl siding. Many houses built today have a double wall type of insulation with fiberglass batts fastened between the studs on the inside and rigid foam board over. So if you re comparing proposals to install new vinyl siding on your home please be aware of this important fact. An honest professional vinyl siding contractor will tell you exactly what you re getting. How insulated vinyl siding is made.

Insulated vinyl siding has an outer skin made of polyvinyl chloride or pvc just like standard vinyl siding. The insulation is glued in place for a permanent connection. Installing foam insulation under vinyl siding is a wise choice for homeowners who are seeking to protect their homes against moisture infiltration as well as improve energy efficiency. Foil faced foam board insulation is a great idea but is not a good choice for hot climates or cold climates as an exterior insulation product.

Generally referred to as rigid foam insulation this type of foam insulation is. Hot climates already have a lot of heat and vinyl siding tends to expand and contract with temperature changes up to 1 if the siding is made of recycled vinyl material. This detail is used with both new construction and also with renovation work. Behind this skin is a layer of expanded polystyrene eps that is form fitted to the stepped siding profile of the vinyl.

It also serves as an air barrier. How to install rigid foam under siding.