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

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

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