Insulation Board Before Siding

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.

Insulation board before siding. This detail is used with both new construction and also with renovation work. 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. Insulated vinyl siding is installed with nails as with standard vinyl. Fiberglass batt insulation is also lightweight and compresses when pressed indicating there is a lot of air in between the fiberglass material.

Below are some of the design details along with the benefits. Keep in mind that any interior rigid insulating panel must be covered by a barrier. 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. 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.

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. Attach the tongue and groove insulation boards to the concrete wall with adhesive. It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation.

How to install rigid foam under siding. Eps is used under roofing over foundation walls and beneath 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. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses.

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. 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. A common choice is drywall. Follow with a 2x4 frame wall and insulate it with batt insulation.