Standard Concrete Floor Thickness
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4 5 inches 0 1 0 125 m farm building floors home basement floors.
Standard concrete floor thickness. Recommended thickness of concrete slabs. How thick should my basement floor be and what kind of concrete should we use. Plywood is the most common type of subflooring. The average thickness for a basement floor should be 4.
Standard concrete floor slab thickness in residential construction is 4 inches. Plywood comes in a variety of thicknesses beginning at 1 8 inch and increasing to 1 inch. By john boston q. The bulk of the floor s thickness comes from the joists which are the horizontal beams that carry the floor s weight.
Thickness of concrete slab depends on loads and size of the slab. The standard concrete garage floor is six inches thick and with use of proper control joints should be thick enough to withstand normal use. The thickness needed for subflooring depends on the type of floor that will go on top and the primary purpose for the subfloor. Concrete floor thickness and strength.
For example one way slab thickness calculation is different and easier from. Minimum thicknesses are set for standard concrete construction but calculations are also based on the bearing capacity of the soil and the heaviest concentrated load the concrete will carry. Methods used for finding slab thickness varies for different types of slabs. Joists in home construction are usually made with 2 by 10 or 2 by 12 lumber.
If you have any load bearing walls columns or a chimney these areas should have footings already in place before the floor is poured. Type of use how thick you pour your concrete floor can be determined by how the floor is going to be used. Many of these requirements are defined by the class of floor the owner wants note that decorative concrete is typically a class 1 floor. 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.
Concrete is stronger when it s thicker but resources are wasted if the thickness exceeds what s necessary for the structure s performance. 6 8 inches 0 15 0 2 m side walks barn and granny floors. In general 6 inch 150mm slab thickness is considered for residential and commercial buildings with reinforcement details as per design. To prepare the base cut the ground level to the proper depth to allow for the slab thickness.
Floors are classified based on the intended use of the floor see the table below that was adapted from aci 302 1 r 04 concrete floor and slab construction. This is largely based on the types and the number of vehicles you plan to park on it.