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 ICF foundation walls wrap the floor slab in R-22 of insulation while the entire space under the slab is covered with 4.3 inches of closed-cell spray foam.
BSC Information - Slab Edge Insulation for All Climates, Sheet 513 Author(s) Building Science Corporation Organization(s) BSC Publication Date May, 2009 Description Information sheet about insulating slabs.
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 Right - Retrofit of an existing basement slab by adding dimple plastic mat, rigid foam insulation, and a floating subfloor.
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
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
Water Management of Existing Basement Floor Description Guide describing how to retrofit an existing basement floor or slab to reduce moisture issues.