How To Insulate Lap Siding

Using proper siding insulation.

How to insulate lap siding.

Insulation must keep the area between the insulation and the walls free of insects dirt and moisture. Siding and insulation have several jobs to do beyond sheathing the home and insulating it from the elements. 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. Blow insulation into the cavity.

Measure the walls from top to bottom with a tape measure and buy either 4 by 8 foot or 4 by 9 foot sheets of rigid foam insulation to cover from the roof line of the house to the sill plate at. Siding and insulation have improved greatly but the finest siding is not good enough without proper insulation. No matter what type of insulation you choose though you need to create an air space between the back of the siding and the insulation. Below are some of the design details along with the benefits.

There are three primary ways to add insulation to a home when siding is installed. Add flat rigid insulation to the wall before the siding is installed. Luckily if high levels of energy savings is your goal any combination of these solutions can be used to increase energy efficiency. For more information on the benefits of having an air space behind siding see all about rainscreens.