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.
Batt Insulation for Existing Vented Attics Description Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.
Below Deck Spray Foam Insulation for Existing Roofs Description 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.
Blown Insulation for Existing Vented Attic Description Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.
Ducts Buried in Attic Insulation Description This guides describes buried ducts in loose-fill attic insulation, a method that can only be used in dry climates.
Ducts Buried in Attic Insulation and Encapsulated Description This guide describes approaches to buryng and encapsulating ducts in unconditioned attics to increase the overall R-value of duct insulation.
Spray Foam Insulation Applied to Existing Attic Floor Description Guide describing how to apply spray foam insulation to ceilings in existing homes.
Unvented Attic Insulation Description Guide describing methods for insulating an unvented attic along the roof line.
Water Managed Roof – Re-roofing and Adding Insulation Over a Sloped Roof Description Guide describing how to re-roof an existing home with a sloped and add insulation above the roof deck.