Raised Concrete Slab Foundation
One solution we re considering is a raised foundation that utilizes a minimum of footings.
Raised concrete slab foundation. Ideally we d like a radiant heated concrete slab but realize this might not be practical. 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. 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. Houses built on a slab.
These foundations offer some benefits but also has some disadvantages. Crawl space crawl space repair and cleaning costs 1 500 to 15 000 for mold removal ventilating insulating and reinforcing or replacing the foundation joists. A slab foundation is made of concrete that is typically 4 6 thick in the center. The concrete slab is often placed on a layer of sand for drainage or to act as a cushion.
T shaped foundation courtesy of concrete network. Replacing different foundation types. Then they fill the entire crawl space with rock or soil for drainage and cap it with a layer of concrete. Raised concrete slabs are not to be confused with concrete slabs on grade.
With the t wall the wall and slab and fill can be raised high enough in most cases to be above potential water problems. 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. Use a poured concrete t wall off the footings as shown above instead of concrete block as blocks will trap water and moisture and through the process of osmosis create a damp concrete slab. A raised slab foundation is a cross between a slab and a crawl space.