Foam Insukation Under Siding

You can even place it under the foundation slab.

Foam insukation under siding.

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. Continuous insulation under new siding has become a popular way to improve energy efficiency on an existing home because it addresses a problem known as thermal bridging. 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. Generally referred to as rigid foam insulation this type of foam insulation is.

Install it anywhere from the roof to the foundation. 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. It also serves as an air barrier. They keep your home at a comfortable temperature without the need to crank your heat.

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. Below are some of the design details along with the benefits. Rigid insulation is one of the best tools to reduce your energy costs. Insulated vinyl siding is standard vinyl siding with a backing of solid rigid foam insulation.

How to install rigid foam under siding. This detail is used with both new construction and also with renovation work. Rigid foam insulation also known as insulating boards provide high r values. We will start with hot climates.

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. One new wrinkle for many builders is walls built with fiber insulation between the studs plus rigid foam. 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. 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.