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.

Guide describing an approach to re-roofing an existing flat roof to improve thermal, water, and air control performance.

Guide describing how to re-roof an existing home with a sloped and add insulation above the roof deck.