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 on heating and cooling air-distribution ducts that are insulated, installed close to the ceiling in a vented attic and covered with attic insulation to minimize energy loss.

Guide providing information on controlling attic ductwork sweating.

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 outlining moisture accumulation in open cell spray polyurethane foam.

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