Guide
Description
Guide describing air-sealing of the seams and holes in HVAC air handler and furnace cabinets.
Guide
Description
Guide describing ways to seal drywall to the top plate of an exterior wall to air-seal the wall cavity.
Guide
Description
Guide describing how to air-seal duct and flue shafts.
Reference
Description
Guideline describing information and specifications relevant to air-seal existing attics.
Guide
Description
Guide describing how to air-seal bathroom and kitchen exhaust fans.
Guide
Description
Guide describing how to air-seal and insulate a ceiling where the insulation is installed on top of the ceiling (on the attic floor) in a vented attic.
Guide
Description
Guide describing how to air-seal attic access panels, doors, and stairs to provide a continuous air barrier at the ceiling.
Reference
Description
Guideline describing the importance of the different types of multifamily building attics and their unique challenges, and outlines strategies and materials used in air-sealing them.
Reference
Description
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.
Guide
Description
Guide describing how to air seal and insulate a non-ICAT recessed "can" light from an accessible attic in an existing home.
Reference
Description
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.
Guide
Description
Guide describing how to retrofit an exterior wall and/or attic to provide continuous air sealing.
Case Study
Description
Case study describing the elimination of excessive humidity in the attic of a multi-floor, single-family home that was causing condensation and water damage along the roof and eaves.
Guide
Description
Guide describing how to correctly air-seal a wall with missing top plates or open wall cavities.
Guide
Description
Guide describing how to insulate and air-seal attic knee walls and floor joist cavities under knee walls.
Guide
Description
Guide describing how to insulate and air-seal dropped ceilings and soffits to prevent air leakage.
Case Study
Description
Case study describing a whole-house, deep energy retrofit project in the marine climate.
Guide
Description
Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.
Guide
Description
Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.
Guide
Description
Guide describing method for installing ducts in a duct chase in a dropped ceiling.
Guide
Description
This guide describes how to install a rigid air barrier to separate the porch attic from the conditioned space.
Guide
Description
Guide describing how to apply spray foam insulation to the floor of the attic in existing homes.
Guide
Description
Guide that illustrates how and when to encapsulate ductwork in unconditioned attics, increasing the R-value of duct insulation, mitigating condensation issues, and reducing air leakage.
Guide
Description
Guide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings.
Reference
Description
Article explaining installing cavity insulation.