What Insulation Is Best Under Vinyl 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.

What insulation is best 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. 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. It also serves as an air barrier. An honest professional vinyl siding contractor will tell you exactly what you re getting.

Here are the top brands making insulated vinyl siding and what they offer. Insulated vinyl siding manufacturer reviews. The insulation is glued in place for a permanent connection. We will start with hot climates.

Below are some of the design details along with the benefits. 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. So if you re comparing proposals to install new vinyl siding on your home please be aware of this important fact. Installing insulation over moisture or existing rot can create larger headaches later.

As many things in building science go you my dear reader have to learn something. 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. How insulated vinyl siding is made.

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. Insulated vinyl siding has an outer skin made of polyvinyl chloride or pvc just like standard vinyl siding. Alside prodigy insulated vinyl siding is backed with 5 of insulation the thickest in the industry to provide r 5 energy star qualified heat resistance. Generally referred to as rigid foam insulation this type of foam insulation is.

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. By glenn hooper june 2 2015. Before installing vinyl siding over existing wood siding or wall sheathing the wood must be dry and in good condition. I get asked if this or that in the in the cavity works as well as foam under the siding.

I thought i should show why continuous foam under the exterior siding is so important. Most homes in the united states are built with traditional wood frame construction with studs every 16 on center.