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Vapor barriers keep crawl spaces dry so moisture won’t spoil insulation, rust appliances, or encourage mold growth
A vapor barrier seals a home’s crawl space off from the earth below, keeping moisture from invading to make mold flourish, weaken floor joists, spoil insulation, and rust under-home appliances, such as HVAC units and water heaters. Vapor barriers are required by North Carolina building code to be included in every home built since 2009, but buildings constructed before that deadline often lack this essential protection.
In the early days of home weatherization, working to make a home energy efficient wasn't exactly a science but Triangle Reconstruction is on the forefront of changing that standard. Using new technology and building science, they look at the effects and interactions of building materials, components, and methods of assembly to employ high-tech solutions that save clients money and allow them to live more sustainably. That information lets them know exactly where to install new insulation or other high-tech protection from the elements. In crawl spaces, that might me a vapor barrier or sump pump; whereas in attics, radiant barriers inspired by NASA technology help keep temperatures stable and storage boxes defying gravity year-round.