Attic Air Sealing, Insulating, and Ventilating for Ice Dam Prevention Description Information guide describing proper attic air-sealing, insulation, and ventilation to combat ice dam formation on roofs in cold climate zones.
Flashing of Penetrations in Existing Roofs Description 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.
Flashing of Roof-Wall Intersections in Existing Homes Description Guide describing how to install and properly integrate flashing at the intersection of the wall and roof on an existing home.