Standard Floor Slab Thickness

Slab on ground 1 4 minimum thickness of diaphragms.

Standard floor slab thickness. Five to six inches is recommended if the concrete will receive occasional heavy loads such as motor homes or garbage trucks. When accounting for joist width subflooring flooring and standard ceiling drywall a floor framed with 2 by 10s will be very close to 11 1 4 inches thick. 4 5 inches 0 1 0 125 m farm building floors home basement floors.

For a 6 inch slab therefore you would set your forms for a 6 inch thick slab. Standard concrete floor slab thickness in residential construction is 4 inches. 5 6 inches 0 125 0 15 m porches home garage floors.

Standard thickness of the garage floor slab used worldwide is 6 inches. Allow another 1 to 2 inches for the combined thickness of the finish materials on the ceiling usually drywall and the floor such as carpet and pad hardwood or vinyl and underlayment. Floor joists are made from 2 by 8 inch or 2 by 10 inch lumber or from engineered quiet beams which are made from a thin layer of chipboard on edge between two lumber caps forming an i shape.

To prepare the base cut the ground level to the proper depth to allow for the slab thickness. 4 inches 0 1 m. 1 3 minimum thickness of slab on the ground 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.

The thickness of the garage floor slab depends on many factors such as types of loads coming upon the slab climatic condition design mix of the concrete and span of the concrete. For a competent contractor working with a decent subbase that thickness would easily keep the average above the 5 5 8 inches needed to satisfy the average thickness tolerance. The same floor if framed with 2 by 12s will be 13 1 4 inches thick.