Roofs, Attics & Ceilings -

Roofs

Guide describing how to air-seal duct and flue shafts.

Guide describing how to air-seal around light tubes.

Guide describing how to correctly seal structural insulated panel (SIP) seams.

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

Guide describing the types of whole-house fans, installation details to reduce energy loss, and how to operate them for comfort and energy savings based on climate zone.