An official website of the United States government
Here's how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Report explaining moisture-related concerns for high R-value wall assemblies and discusses past Building America research work that informs this study.
Case study describing novel technique for installing exterior spray foam on foundation walls that uses high-pressure water sprayer and a “hydro vac” to remove dirt along the foundation wall.
Measure Guideline research report providing simple, long term, and durable solutions when using tapes and flashing membranes in conjunction with the exterior face of rigid polymeric foam sheathing to create the drainage plane of a wall system.
Report describing a comparison of hydrothermal performances of DryRightTM fiberglass batts and kraft-faced fiberglass batts in a south facing wall assembly with a moisture storage cladding material.
Report exploring four questions to determine the level of risk associated with adding drained exterior insulation to the exterior of an existing home during an energy retrofit.
Article describing the evolution of the IRC to permit class 3 vapor retarders (latex paint) in walls coupled with exterior continuous insulation to allow drying and reduce condensation risk.
Report providing extensive guidance on controlling moisture in building envelopes through proper selection and installation on air, water, thermal, and vapor barriers.