Roofs, Attics & Ceilings -

Ceilings

Guide describing how to air-seal duct and flue shafts.

Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.

Guide describing method for installing ducts in a duct chase above a dropped ceiling.

Guide describing how to correctly air-seal a wall with missing top plates or open wall cavities.