Managing Indoor Humidity and Ventilation in Cold Weather Description Guide describing steps to take to minimize indoor humidity in preparation for cold winter weather.
No Vapor Retarders on Interior Side of Air-Permeable Foundation Insulation Description Vapor retarder plastic should not be installed over fibrous insulation on basement or crawlspace walls unless rigid foam or spray foam is installed directly against the concrete, behind the blanket insulation.
Unvented Conditioned Attic with Spray Foam Insulation Below Roof Deck Description Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.
Whole-House Ventilation Strategies for New Homes Description This guide describes how to install a whole-building ventilation system to provide adequate dilution of indoor air contaminants.