Foam Insulation Under Siding

They keep your home at a comfortable temperature without the need to crank your heat.

Foam insulation under siding.

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. Below are some of the design details along with the benefits. It is designed to prevent a house from losing heat. Install it anywhere from the roof to the foundation.

Most homes in the united states are built with traditional wood frame construction with studs every 16 on center. 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. The insulation itself can be up to 1 25 inch thick at its thickest point but due to the stepped profile much of the insulation is thinner. 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.

Rigid foam insulation is one of the most important and efficient forms of insulation. Eps is used under roofing over foundation walls and beneath siding. One new wrinkle for many builders is walls built with fiber insulation between the studs plus rigid foam. 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.

Although rigid foam insulation is more expensive than fiberglass insulation it is more efficient. It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation. It also serves as an air barrier. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses.

The bottom edge of the insulation is shaped to receive the top edge of the siding course below so the pieces overlap. Heating costs increase every year making insulation more and more important. Siding over rigid foam a vented drainable air space keeps wood siding dry and stable. Rigid foam insulation also known as insulating boards provide high r values.

Insulated vinyl siding is installed with nails as with standard vinyl. We will start with hot climates. This detail is used with both new construction and also with renovation work. How to install rigid foam under siding.

You can even place it under the foundation slab. 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.