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.

Guide describing steps to take to minimize indoor humidity in preparation for cold winter weather.

Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.