Exterior Insulation for Existing Foundation Walls Description Guide describing how to insulate a new foundation wall or an existing foundation wall by adding rigid insulation to the exterior side.
Insulation for Existing Crawl Space Floors Description Guide describing how to upgrade a crawlspace floor in an existing home by adding insulation.
Image Rigid insulation and water control layers are installed on the exterior of a flat foundation wall; spray foam insulates the rim joist Publication Date Mon, 07/01/2013 - 12:00
Exterior Edge Insulation for Existing Foundation Slabs Description Guide describing how to install slab edge insulation when retrofitting existing slab-on-grade foundations.
Spray Foam Interior Insulation for Existing Foundation Walls Description Guide describing how to insulate an existing foundation wall by adding spray foam insulation to the interior side of the wall.
Rigid Foam Insulation Installed over Existing Foundation Slabs Description Guide describing how to insulate an existing slab floor by adding rigid foam insulation over the slab then installing a floating subfloor.
Image This exterior insulated slab-on-grade monolithic grade beam foundation is protected from pests by termite shield at the sill plate, borate-treated framing, flashing at end of wall insulation, brick veneer over slab-edge insulation, and rock ground cover. Publication Date Mon, 03/01/2021 - 12:00
Rigid Foam Board Interior Insulation for Existing Foundation Walls Description Guide describing how to insulate closed crawlspace walls and band joist areas with rigid foam board insulation.
Preview Image UAF Cooperative Extension Service: Radon Mitigation in Super-Insulated Slab Publication Date August, 2013 Author(s) Benesch Organization(s) Cold Climate Housing Research Center, CCHRC Description Video describing radon precautions taken for a construction project in a high-risk radon area in Alaska.
Image Rigid foam insulation and a thin slab were installed over the dirt and gravel of this sealed crawlspace
Image The existing slab is retrofitted with epoxy paint, rigid foam insulation, sleepers (furring strips), and subfloor. Publication Date Sun, 06/01/2008 - 12:00
Image The existing slab is retrofitted by coating with epoxy paint, then installing rigid foam insulation and a floating subfloor. Publication Date Mon, 07/01/2013 - 12:00
Capillary Break Beneath Slab - Polyethylene Sheeting or Rigid Insulation over Aggregate or Sand and Geotextile Mat Description Guide describing how to install a capillary break under a slab foundation using either polyethylene sheeting or rigid insulation installed over aggregate or over sand and geotextile matting.
Image Right - Retrofit of an existing basement slab by adding dimple plastic mat, rigid foam insulation, and a floating subfloor.
Image An uninsulated (or existing insulated) basement slab is retrofitted to reduce moisture transmission by sealing with epoxy paint. Publication Date Thu, 09/10/2015 - 12:00
Image Right - The existing basement slab is retrofitted by installing a dimple plastic drainage mat, rigid foam insulation, and a floating subfloor. Publication Date Mon, 07/01/2013 - 12:00
Image A concrete slab-on-grade foundation with exterior insulation, which can be elevated above the local grade as a flood-prevention strategy. Publication Date Tue, 01/01/2013 - 12:00
Image Spray foam extends down the foundation wall to the slab, which has been retrofitted by adding dimple plastic drainage mat and rigid foam insulation. Publication Date Mon, 07/01/2013 - 12:00
Image Spray foam insulation extends down the foundation wall to the slab, which has been retrofitted by cutting the slab to install drainage mat against the wall and a new perimeter footing drain, along with rigid foam plastic above the slab. Publication Date Mon, 07/01/2013 - 12:00
Termite-Resistant Foundations and Walls Description Guide describing techniques and measures for increasing the termite resistance of a home's foundations.
Water Management of Existing Basement Floor Description Guide describing how to retrofit an existing basement floor or slab to reduce moisture issues.
Image The basement is constructed with precast concrete walls lined with R-21.3 foil-faced rigid foam while an R-10 layer of XPS rigid foam covers the ground under the slab.
Image The goal of foundation moisture management is to construct the basement, crawlspace, or slab in a way that keeps moisture from getting in in the first place Publication Date Thu, 03/01/2012 - 12:00
Radon Fan Description Guide describing how to install a radon mitigation fan with various types of house foundations.
Image Spray foam extends down the inside of the foundation wall to the uninsulated slab; because the wall lacked exterior perimeter drainage, the slab was cut and an interior footing drain was installed. Publication Date Mon, 07/01/2013 - 12:00
Vertical Radon Ventilation Pipe Description Guide describing how to install a radon-mitigating vertical ventilation pipe in new and existing homes with various types of house foundations.
Footing Drain Pipe Description Guide describing how to help drain water away from the perimeter footing.