Siding Foam Board Insulation

Owens corning foamular 150 1 1 2 in.
Siding foam board insulation. Installing foam board insulation under vinyl siding today more than ever before homes are being built with foam board insulation installed on the outside of the sheathing and under the siding. How to install rigid foam under siding. 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. It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation.
Compare click to add item r 3 expanded polystyrene foam board insulation 3 4 x 14 1 2 x 48 6 pk to the compare list. It also serves as an air barrier. But if you use wood clapboard siding foam sheathing can cause trouble. Moisture can get trapped between the siding and the foam leading to paint failure and causing clapboards to cup and curl.
This detail is used with both new construction and also with renovation work. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. R 7 5 scored squared edge rigid foam board insulation sheathing. 0 56 in x 4 ft x 8 ft.
And even though some manufacturers call it rigid foam insulation for the purpose of vinyl siding it basically has the same insulating value as a piece of plywood. By filling the voids behind the siding s stepped profile the insulation makes the complete material stiffer and more resistant to warping and movement than conventional 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. Insulated vinyl siding is standard vinyl siding with a backing of solid rigid foam insulation.
Eps is used under roofing over foundation walls and beneath siding. Generally referred to as rigid foam insulation this type of foam insulation is. Kingspan insulation r 3 common. In reality rigid foam board which sometimes comes in fanfold usually only has an insulating factor of r 1 and does not add any appreciable insulation effect to your home.