Library

Document providing background and approach for the prep work necessary prior to adding attic insulation - focusing on combustion safety, ventilation for indoor air quality, and attic ventilation for durability.

Article describing the control layers (air, thermal, and vapor barriers) needed to build homes successfully in very cold locations.

Report exploring alternative methods to find long-term solutions to energy loss in 1 ½-story homes to save energy, improve comfort, prevent frost buildup on the underside of the roof deck, and reduce the risk of ice dam formation/reformation.

Guideline describing information and specifications relevant to air-seal existing attics.

Report highlighting the evaluation methods used and extent of wind washing found in a study analyzing wind washing in thirty-two two-story homes.

Article describing how insulating and air sealing unfinished attic spaces can lead to reduced energy bills in some homes.

Report describing Net Zero house design with sloped roof assemblies.