Figure 5 the fiberglass roll is covered with spray foam to air seal the top of the wall.
Plaster repair material for air sealing attic.
I m planning to blow in a substantial amount of cellulose insulation and i m curious if the plaster needs any air sealing.
If there s no wood staple it right to the drywall.
What most people don t realize is that all winter long they are heating the space behind.
Roll a piece of fiberglass batt and stuff it into place at the top of the wall where the top plate is missing.
Skip air sealing and expect to pay big many people overlook the need to air seal because they look around their house and see walls and ceilings that do not have holes to the attic or outside.
A traditional multi coat plaster system begins with a substructure of lath thin wood slats or metal mesh that s attached to the wall framing.
Fill the attic with additional insulation.
Three coats of wet plaster are applied in layers to the lath.
The scratch coat the brown coat and the finish coat.
Cover the roll of fiberglass batt with spray foam to air seal it in place.
The opening around a furnace or water heater flue is a major source of warm air into the attic photo 5.
I have an 1850 house upstate ny the ceiling right now is just lathe and plaster and the attic has no insulation.
Press the flashing metal into a bead of latex caulk and staple it into place.