Foam Insukation Under Siding

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.

Foam insukation under siding.

Generally referred to as rigid foam insulation this type of foam insulation is. One new wrinkle for many builders is walls built with fiber insulation between the studs plus rigid foam. Siding over rigid foam a vented drainable air space keeps wood siding dry and stable. 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.

Rigid insulation is one of the best tools to reduce your energy costs. They keep your home at a comfortable temperature without the need to crank your heat. How to install rigid foam under siding. We will start with hot climates.

Install it anywhere from the roof to the foundation. 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 also serves as an air barrier. Rigid foam insulation also known as insulating boards provide high r values.

Insulated vinyl siding is standard vinyl siding with a backing of solid rigid foam insulation. You can even place it under the foundation slab. 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. 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.

Below are some of the design details along with the benefits. Most homes in the united states are built with traditional wood frame construction with studs every 16 on center. 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. 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.