Heat loss is greatest at or near the exterior grade. To reduce heating costs and reduce the cold-floor syndrome common to slab-on-grade construction, insulation is critical.
Slab-On-Grade: a horizontal placement of concrete placed directly over a prepared earth substrate.
Slab-on-Grade vs. Framed Flooring
The first step that leads to a well-crafted home starts with choosing a foundation and flooring system suited to the site.
Cold concrete slabs can be a source of discomfort in a home. An insulated slab is easier to heat, and placing the mass of the slab within your home's thermal envelope helps moderate indoor temperatures.
SLAB-ON-GRADE: concrete slab resting directly on the ground at near grade level.
SOFFIT: underside of a roof overhang, cornice, or stairway.
Slab-on-grade " A type of foundation with a concrete floor which is placed directly on the soil. In warm climates, the edge of the slab is usually thicker and acts as the footing for the walls.
A Slab-On-Grade Foundation for Cold Climates
Proper drainage (lots of gravel) is the keyby George Nash
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Slab-on-grade: a concrete floor (slab) that is poured directly at grade (ground level) and acts as the first floor sub-surface. The slab is usually supported by a continuous (spread) footing, piers or piles and grade beams.
Heated Slab: Slab-on-grade construction in which the heating elements are placed within or under the slab.
Hot water tubing: Slab-on-grade, typical of new construction
Hot water tubing: Stapled under a wood frame floor.
Hot water tubing: Mudset over a wood frame floor.
The base floor within a building may simply be a cast-in-place concrete slab-on-grade with limited design considerations for structural support or environmental control functions.
Floor systems are either wood or concrete. In residential construction, concrete floors are slab-on-grade (concrete poured on the ground).
When building your own home, one of the items that will require your attention during the foundation/flatwork portion of construction is checking the use of expansion joints. Slab-on-grade isolation joints are used where a concrete slab meets another ...
of this region has soil that is completely sand, soil so well drained that there is almost no risk that ice will form below the footings and heave the structure. Indeed, the garage on this property, built in July 1999, needed only a slab-on-grade ...
Of course, this example is oversimplified because it doesn't consider any other differences like the need to add the cost of stairs and take away the space they occupy, or in the case of a slab-on-grade foundation, ...
See also: Grade, Slab, Foundation, Construction, Concrete