BASC Search | Building America Solution Center

Spray foam insulation insulates and air seals around plumbing pipes and top plates in the attic.

Wrong – Fibrous insulation is not an air barrier and cannot be used for sealing holes.

Publication Date

Fri, 10/28/2011 - 12:00

Plumbing penetrations through the below slab insulation are sealed with tape and spray foam.

Wrong - Wall cavities behind shower are not completely filled with insulation and are lacking the solid interior air barrier.

Publication Date

Sat, 04/10/2021 - 12:00

Wrong - Tub or shower floor is not insulated and air-sealed with a solid barrier material between the floor joists and the tub. Plumbing pipes shouldn't be located in a cantilever.

Publication Date

Wed, 07/07/2021 - 12:00

Flashing of Wall Penetrations in Existing Homes

Guide describing how to install flashing that is integrated with air and water control layers around piping, vents, and other wall penetrations as part of an exterior wall retrofit.

Air Sealing Plumbing and Piping

Guide describing how to air-seal around plumbing and piping penetrations through walls, ceilings, and floors.

Evaluation of CNT Energy Savers Retrofit Packages Implemented in Multifamily Buildings

Author(s)

Farley Jene,

Ruch Russell

Organization(s)

Partnership for Advanced Residential Retrofit,

PARR,

U.S. Department of Energy,

DOE

Publication Date

September, 2013

Report exploring feasibility of designing prescriptive retrofit measure packages for typical Chicago region multifamily buildings in order to achieve 25% source energy savings.