Inject Insulation Into Exterior Wall With Cedar Siding

Installers start by puncturing holes in the side of the house between each stud at the top of the wall.

Inject insulation into exterior wall with cedar siding.

If there s vinyl siding or shingles they would need to be removed then put back on after the foam is injected. 2 thread the blower hose into the first hole and point the nozzle down deep into the wall cavity. How to insulate house walls from the outside. It may look easy to go buy some packs of rigid insulation panels down at the.

Injecting foam insulation into existing walls with vinyl siding duration. They then insert a tube into each hole that will blow the insulation into the wall which will fill the cavity. Adding extra insulation to the exterior walls of an older home when renovating or remodeling is a great way of improving a home s walls thermal performance and reducing energy use while reducing heating bills carbon footprint and improving a building s comfort level. The holes are then plugged before new siding is installed.

However with clapboard we typically drill right through it then plug the holes with cedar plugs. With a hole saw cut a small hole between 2 and 3 inches wide between two studs and near the top of the wall and place the cut portion aside you will reattach this later. On an already constructed home we would drill holes on the outside to access the wall cavities inject the ifoam then plug up the holes. Repeat this step between each pair of studs.