Floor Slab Thickness

Joists in home construction are usually made with 2 by 10 or 2 by 12 lumber.

Floor slab thickness.

Capillary break layers under floor slabs are typically comprised of 6 to 8 inch thick layer of 3 4 inch granular material that is gap graded to increase drainage rates. 4 5 inches 0 1 0 125 m farm building floors home basement floors. Ubc recommends minimum thickness of concrete floor slabs supported directly on the ground to be 89mm whereas bcgbc4010a apply structural principles to residential low rise constructions determined minimum thickness to be 100mm. 4 inches 0 1 m.

Standard floor joists are usually 2 by 10 or 2 by 12 dimensional boards installed on edge. The floor joists comprise the bulk of the floor thickness. The bulk of the floor s thickness comes from the joists which are the horizontal beams that carry the floor s weight. 5 6 inches 0 125 0 15 m porches home garage floors.

6 8 inches 0 15 0 2 m side walks barn and granny floors. The granular material serves as a capillary break and a place to store the water until it can be absorbed back into the surrounding soil. Slab thickness tolerances has long been a point of contention between contractors and specifiers. The actual width of those boards however isn t identical to what their name implies.