Roofs, Attics & Ceilings -

Air Sealing/Insulation

Guide describing ways to seal drywall to the top plate of an exterior wall to air-seal the wall cavity.

Guide describing how to add spray foam insulation to the underside of the existing roof deck as part of the conversion of a vented attic to an unvented, insulated attic.

Guide describing causes of condensation in attics and roof assemblies during cold weather and ways to reduce this condensation.