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Foundations & Floors - Slabs

The guides on this page have information about slabs. Guides are presented in alphabetical order. Use the filters to the right of the page to further focus your search based on construction type or keywords.


Solution Center Guides


Guide describing how to insulate a basement to improve the overall thermal performance of the building and provide more dry, usable conditioned space for home occupants and for HVAC equipment.

This case study presents a cold-climate project that examines an alternative approach to ground source heat pump (GSHP) ground loop design. The innovative ground loop design is an attempt to reduce the installed cost of the ground loop heat exchange portion of the system by containing the entire ground loop within the excavated location beneath the basement slab.

Guide describing how to install a capillary break to help manage moisture in foundations.

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.

Guide describing how to apply water management strategies to below grade walls.

Guide describing how to install slab edge insulation when retrofitting existing slab-on-grade foundations.

Guide describing how to insulate a new foundation wall or an existing foundation wall by adding rigid insulation to the exterior side.

Guide describing how to properly grade a site so water will not saturate the soil, and penetrate into the foundation.

Guide describing how to help drain water away from the perimeter footing.

Guide describing how to conduct a home performance assessment before beginning retrofit projects in existing homes.

Guide describing how to insulate an existing slab floor by adding rigid foam insulation over the slab then installing a floating subfloor.

Guide describing how to insulate slabs on grade in climate zones 4 and higher.

Guide describing how to insulate an existing foundation wall by adding spray foam insulation to the interior side of the wall.

Guide describing how to retrofit an existing basement floor or slab to reduce moisture issues.