Insulation Used Under Vinyl Siding

To be completely efficient this insulation type has to mold perfectly with the inside of your home siding.

Insulation used under vinyl siding.

As many things in building science go you my dear reader have to learn something. An honest professional vinyl siding contractor will tell you exactly what you re getting. Below are some of the design details along with the benefits. This is typically used to go over the existing siding in order to create an even surface to keep the siding plum during installation.

Insulated vinyl siding has an outer skin made of polyvinyl chloride or pvc just like standard vinyl siding. It also serves as an air barrier. 1 2 polystyrine foam board insulation. This is most common with vinyl siding.

Once the plywood is installed it s then time to install the siding over the top you can choose to use either vinyl or aluminum siding depending on the age style and look of your building. I get asked if this or that in the in the cavity works as well as foam under the siding. This detail is used with both new construction and also with renovation work. Because of this breathability installing insulated vinyl siding does not require costly venting as do some other insulation materials.

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. Installation of this insulation type under fiber cement siding can create an incredible 600 more energy efficient home. The siding and insulation offer a well insulated home. Generally referred to as rigid foam insulation this type of foam insulation is.

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 insulated vinyl siding is made. By glenn hooper june 2 2015. Why insulation under the siding is important.

There are insulated rigid foam products that will increase the insulation factor but you ll pay much more for r 5 to r 7. Most homes in the united states are built with traditional wood frame construction with studs every 16 on center. The insulation is glued in place for a permanent connection. The insulating foam used in insulated vinyl siding features a perm rating of up to 5 0 providing much better breathability tha comparable insulation products with perm ratings of 1 5 or less.

I thought i should show why continuous foam under the exterior siding is so important. The foam board is nailed in place with washer head nails should be taped at the seams to prevent air movement. So if you re comparing proposals to install new vinyl siding on your home please be aware of this important fact.