Raised Slab Foundation Detail
4 2 slab on grade construction details.
Raised slab foundation detail. Figures 4 9 through 4 11 and 4 15 show configurations with insulation on the exterior surface of the foundation. A raised foundation is a foundation that as its name would suggest is the main floor of a home or business that is raised above the plane of the surrounding earth. Deciding to build your home with a slab on grade foundation instead of a conventional basement or raised crawlspace foundation can greatly reduce your environmental impact during construction and has the potential to offer significant financial savings as well. Figures 4 12 through 4 14 show variations where the slab is the primary location for insulation.
A raised slab foundation is a good idea if you don t foresee a future remodel project and if you prefer to avoid any moisture and allergen issues typically associated with crawlspaces. One solution we re considering is a raised foundation that utilizes a minimum of footings. Included in this group of details are variations in. The idea being that a floating design would sit gently on the land and allow natural drainage to occur under the house as it continues downhill.
In this section several typical slab on grade sections are illustrated and described. A raised slab foundation is a cross between a slab and a crawl space. Then they fill the entire crawl space with rock or soil for drainage and cap it with a layer of concrete. Along with the concrete slab foundation the raised version accounts for most of the foundation options used for homes in most of the world at least the industrialized world.