Roofs, Attics & Ceilings -

Air Sealing/Insulation

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 how to provide a continuous water control layer across the roof assembly by sealing all penetrations for pipes, vents, etc. in existing roofs.

Guide describing construction of sloped roofs that are unvented and are insulated above the roof deck.