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.
Plaster repair material for air sealing attic. The scratch coat the brown coat and the finish coat. To reduce air flow a homeowner will first need to air seal. I ve heard that the plaster is actually porous enough that it needs to be sealed with plastic or something. Cover the roll of fiberglass batt with spray foam to air seal it in place.
Fill the attic with additional insulation. 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. Roll a piece of fiberglass batt and stuff it into place at the top of the wall where the top plate is missing. The opening around a furnace or water heater flue is a major source of warm air into the attic photo 5.
If there s no wood staple it right to the drywall. Products shown as available are normally stocked but inventory levels cannot be guaranteed for screen reader problems with this website please call 1 800 430 3376 or text 38698 standard carrier rates apply to texts. Figure 5 the fiberglass roll is covered with spray foam to air seal the top of the wall. Three coats of wet plaster are applied in layers to the lath.
Press the flashing metal into a bead of latex caulk and staple it into place.