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Guide describing methods for insulating an unvented attic along the roof line.

Guide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings.

Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.

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.

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

Guide describing how to insulate and air-seal dropped ceilings and soffits to prevent air leakage.

Guide providing information on how cool roofs and wall cladding surfaces work, which climates can most benefit from them, and how to find and select cool roofs and wall cladding products.

Guide describing causes of condensation in attics and roof assemblies during cold weather and ways to reduce this condensation.

Guide describing options for insulating and air sealing at either the attic floor or along the roof line in new homes.

Guide describing insulation techniques for skylight shaft walls.

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

Guide describing application of a radiant barrier layer in the attic to block radiant heat transfer between hot surfaces and heat-absorbing surfaces.

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.