Insulation Used Under Vinyl Siding

As many things in building science go you my dear reader have to learn something.

Insulation used under vinyl siding.

The foam board is nailed in place with washer head nails should be taped at the seams to prevent air movement. 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. In fact you can check if it is a correct insulation installation by pressing on the house 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.

The insulation is glued in place for a permanent connection. Most homes in the united states are built with traditional wood frame construction with studs every 16 on center. By glenn hooper june 2 2015. 1 2 polystyrine foam board insulation.

Behind this skin is a layer of expanded polystyrene eps that is form fitted to the stepped siding profile of the vinyl. 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. I thought i should show why continuous foam under the exterior siding is so important. This detail is used with both new construction and also with renovation work.

So if you re comparing proposals to install new vinyl siding on your home please be aware of this important fact. Installation of this insulation type under fiber cement siding can create an incredible 600 more energy efficient home. 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. Why insulation under the siding is important.

The siding and insulation offer a well insulated home. 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 get asked if this or that in the in the cavity works as well as foam under the siding. It also serves as an air barrier.

This is most common with vinyl siding. There are insulated rigid foam products that will increase the insulation factor but you ll pay much more for r 5 to r 7. How insulated vinyl siding is made. 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. Insulated vinyl siding has an outer skin made of polyvinyl chloride or pvc just like standard vinyl siding. To be completely efficient this insulation type has to mold perfectly with the inside of your home siding.