Roofs, Attics & Ceilings -

Air Sealing/Insulation

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 increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.

Guide describing continuous rigid insulation installation procedures to reduce thermal bridging and help provide thermal protection.

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