Remove Siding That Has Spray Foamed Walls

Watch one of our experts remove old insulation and install spray foam to an attic floor.

Remove siding that has spray foamed walls.

Great northern insulation. Insulating and air sealing an attic with spray foam long version duration. Be sure to test the. Scrape with rough brushes.

If you can t get all of it off moisten your wiping cloth with acetone. But you re right once it s dry to cut as much of it off and then try to abrade the rest of it off. There is no better time to add insulation to the walls of an existing home than when new siding is installed. Check whether the foam insulation has cured or dried.

If the foam has cured scrape it off with a stiff bristled brush or any other rough brush. Acetone is a solvent that dissolves uncured polyurethane foam and can be used to clean up foam before it cures. You could choose to leave it as it is and allow it to naturally remove itself. 3 ways to insulate siding and reduce home energy loss.

The old siding will either be removed or covered up in the process making it easy to add insulation a number of ways. Acetone based nail polish remover will also work to remove uncured foam. Unfortunately these products don t have any effect on cured foam. But you could spray the siding with the wd 40 and then work the scotch pad back and forth.

It really depends on what kind of foam it is. A non cured material will usually wear off in time depending upon your wall surface.