Air Sealing, Insulating, and Venting Attics and Roofs to Reduce Heat Gain Description Information guide providing links to guides describing specific ways to air seal, insulate, and ventilate attics and roofs to minimize heat gain in new and existing homes.
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.
Attic Eave Minimum Insulation Description Guide providing information about constructing a roof with full insulation at the eaves, and insulating eaves in existing homes.
Attic Radiant Barriers Description Guide describing application of a radiant barrier layer in the attic to block radiant heat transfer between hot surfaces and heat-absorbing surfaces.
Dropped Ceiling/Soffit Below Unconditioned Attic Description Guide describing how to insulate and air seal dropped ceilings and soffits to prevent air leakage.
Unvented Attic Insulation Description Guide describing methods for insulating an unvented attic along the roof line.
Unvented Insulated Sloped Roofs Description Guide describing construction of sloped roofs that are unvented and are insulated above the roof deck.
Vented versus Unvented Attic Description Guide describing options for designing and locating the thermal boundary at either the attic floor or along the roof line in new and existing homes.
Walls Adjoining Porch Roof Description This guide describes how to install a rigid air barrier to separate the porch attic from the conditioned space.