BASC Search

Guide describing how to air seal around duct shafts and flues installed through ceilings, walls and flooring in new and existing homes.

Guide describing how to air seal and insulate metal ducts.

Guide describing air-sealing of the seams and holes in HVAC air handler and furnace cabinets.

Guide describing how to air-seal duct and flue shafts.

Guide describing how to air seal and insulate fiber board ducts.

Guide describing how to thoroughly seal HVAC ducts to ensure air delivery without leakage, and to ensure economical and quiet performance of the HVAC system.

Guide describing how to design HVAC systems to be located within the conditioned space of the home, either in a utility closet or in an air sealed conditioned attic, basement, or crawl space.

Guide describing how to air seal and insulate flex ducts.

Guide describing how to air-seal bathroom and kitchen exhaust fans.

Guide describing the repair and reconfiguration of the air handler closet and platform when replacing the air handler.

Guide describing method for designing and installing ducts in a raised ceiling chase.

Guide describing how to install a bathroom exhaust fan to remove excess moisture.

Guide describing the air-sealing of rim joists on walls connecting homes and attached garages.

Guide describing how to insulate and air-seal dropped ceilings and soffits to prevent air leakage.

Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.

Guide describing how to air-seal and insulate a cantilevered floor.

Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.

Guide describing how to install ducted returns in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.

This measure guide describes how to correctly install ducts, ensuring enough cavity space to avoid compression.

Guide for designing and installing interior ducts in an interstitial floor cavity in new and existing homes.

Guide describing ways to air-seal an attached garage in new and existing homes.

Guide describing how to air-seal around light tubes.

Guide describing how to install efficient kitchen exhaust systems.

Guide describing how to install jump ducts in bedroom walls to balance air pressures between rooms, enabling constant air flow for conditioning and freshness even when room doors are closed.

Guide describing wind washing and how to prevent it.

Guide outlining how to correctly install flex ducts without kinks or sharp bends.

Guide describing how to hang ducts with supporting straps or saddles to adequately support ducts so they do not sag and are not pinched or compressed in a manner that would cause damage to the ducts, the duct insulation, or the duct air barrier covering.

Guide describing methods for insulating an unvented crawlspace or conditioned basement with rigid foam on the interior side of the walls to provide an insulated space for HVAC equipment.

Guide describing insulation techniques for skylight shaft walls.

Guide describing how to apply spray foam insulation to ceilings in existing homes.

Guide describing how to create a capillary break at all crawlspace floors using polyethylene sheeting to manage moisture in crawlspaces.

Guide describing how to install transfer grilles in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.

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 describing how to air-seal and insulate the floor above an unconditioned basement or crawl space.

Guide describing how to correctly vent a clothes dryer.

Guide describing how to upgrade a crawlspace floor in an existing home by adding insulation.

Guide providing information about treating bulk water drainage issues and moisture control measures in existing basements and crawl spaces.

Guide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings.

Guide describing how to install an exhaust fan in an attached garage to pull fumes out of the garage and to depressurize the garage with reference to the home.

Guide describing how to re-roof an existing home with a sloped and add insulation above the roof deck.

Guide describing how to insulate a basement to improve the overall thermal performance of the building and provide more dry, usable conditioned space for home occupants and HVAC equipment.

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.

Guide describing how ice dams form and how roofs can be constructed to prevent them.

Guide describing ways builders can block off entry points and otherwise make homes inhospitable to all manner of pests.