Fill the attic with additional insulation.
Plaster repair material for air sealing attic.
I have an 1850 house upstate ny the ceiling right now is just lathe and plaster and the attic has no insulation.
What most people don t realize is that all winter long they are heating the space behind.
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.
To reduce air flow a homeowner will first need to air seal.
Three coats of wet plaster are applied in layers to the lath.
If there s no wood staple it right to the drywall.
Roll a piece of fiberglass batt and stuff it into place at the top of the wall where the top plate is missing.
I ve heard that the plaster is actually porous enough that it needs to be sealed with plastic or something.
Press the flashing metal into a bead of latex caulk and staple it into place.
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.
I m planning to blow in a substantial amount of cellulose insulation and i m curious if the plaster needs any air sealing.
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