Roofs, Attics & Ceilings -

Air Sealing/Insulation

Guide describing how ice dams form and how roofs can be constructed to prevent them.

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 how to apply heavy membranes at eaves in cold climates to help guard against ice dams.