Builders install a variety of products on the exterior of foundations, above-grade walls, and roofs as water-resistive barriers (WRBs), required by the International Residential Code (IRC). Water-resistive barriers are also called weather-resistant barriers, but the...
Dampproofing and Waterproofing for Foundations For basements and crawl spaces, install dampproofing, waterproofing, capillary breaks, insulation, and drains as soon as possible so that rain during construction doesn’t create moisture problems in the new home....
Questionable Guidance from the IRC The International Residential Code (IRC) identifies two different ways to build a new-home crawl space that resists frost heaving: place the footings below the frost line (historical frost-depth) or heat the a home to 64 degrees for...