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Chimneys often have gaps around them to keep flammable materials away from the hot surface. This particular chimney had an exceptionally large gap which was resulting in lots of conditioned air being lost. We properly sealed the area with metal flashing, fire caulk, and SilverGlo insulation to eliminate the energy loss.
Before and after installation of spray foam and blown in cellulose to insulate a home attic in Menasha, Wisconsin.
Before and after installation of spray foam to insulate rim joists in a home basement in Menasha, Wisconsin.
Air sealing strategy for basements. Before and after installation of spray foam to rim joists.