Insulation Board Before 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.

Insulation board before siding. And even though some manufacturers call it rigid foam insulation for the purpose of vinyl siding it basically has the same insulating value as a piece of plywood. When new siding is installed the old siding can be left in place or torn off before the new siding is installed. Care must be exercised during the installation process to ensure that the insulation works effectively to control the penetration of water and air into the wall assembly. Follow with a 2x4 frame wall and insulate it with batt insulation.

This detail is used with both new construction and also with renovation work. 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. Insulated vinyl siding is installed with nails as with standard vinyl. Generally referred to as rigid foam insulation this type of foam insulation is also called foam board foam plastic insulated sheathing and rigid foam sheathing.

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. Insulated foam sheets are also used as an insulated sheathing underlayment for. 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. However if you re interested a residing project offers the perfect time to examine your home s weather barrier and exterior insulation and improve it if need be.

It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation. A common choice is drywall. In the end the decision to install house wrap under your siding is a personal one that you should make after discussing it with your contractor. The bottom edge of the insulation is shaped to receive the top edge of the siding course below so the pieces overlap.

Attach the tongue and groove insulation boards to the concrete wall with adhesive. Keep in mind that any interior rigid insulating panel must be covered by a barrier. Below are some of the design details along with the benefits. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses.