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.

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. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. When new siding is installed the old siding can be left in place or torn off before the new siding is installed. It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation.

Follow with a 2x4 frame wall and insulate it with batt insulation. Insulated foam sheets are also used as an insulated sheathing underlayment for. Insulated vinyl siding is installed with nails as with standard vinyl. A common choice is drywall.

Keep in mind that any interior rigid insulating panel must be covered by a barrier. Eps is used under roofing over foundation walls and beneath siding. Below are some of the design details along with the benefits. Attach the tongue and groove insulation boards to the concrete wall with adhesive.

Fiberglass batt insulation is also lightweight and compresses when pressed indicating there is a lot of air in between the fiberglass 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. This detail is used with both new construction and also with renovation work. The bottom edge of the insulation is shaped to receive the top edge of the siding course below so the pieces overlap.

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. 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. 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. 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.