Air Sealing Bathroom and Kitchen Exhaust Fans Description Guide describing how to air seal bathroom and kitchen exhaust fans.
Bathroom Exhaust Fans Description Guide describing how to install a bathroom fan to remove excess moisture, cleaning chemical fumes, etc.
Below Deck Spray Foam Insulation for Existing Roofs Description Guide describing how to add spray foam insulation to the underside of the existing roof deck as part of the conversion of a vented attic to an unvented, insulated attic.
Disaster-Resistant Roof Venting Description Guide describing the installation of roof vents that are resistant to damage from high winds and entry of wind-borne rain, wildfire embers, or pests.
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.