Concrete Garage Floor Thickness

When pouring concrete for a garage floor it is essential that there is enough thickness to ensure the strength and durability of the concrete.

Concrete garage floor thickness.

Contents construction of garage floor slab1. Today s residential building code does not include this requirement. Place concrete at a minimum thickness of 4 inches. Increasing the thickness from 4 inches to 5 inches will add approximately 20 to your concrete cost but will also boost your driveway s load carrying capacity nearly 50.

This is largely based on the types and the number of vehicles you plan to park on it. In this article we discuss the construction process thickness and cost of garage floor slab. 5 6 inches 0 125 0 15 m porches home garage floors. The standard concrete garage floor is six inches thick and with use of proper control joints should be thick enough to withstand normal use.

4 5 inches 0 1 0 125 m farm building floors home basement floors. Type of use how thick you pour your concrete floor can be determined by how the floor is going to be used. That means that the soil under a typical garage slab only has to be able to support 125 psf. Using a thicker layer of concrete for your garage floor will be more much more cost effective in the long run minimising the potential occurrence of bending and cracking.

Type of use how thick you pour your concrete floor can be determined by how the floor is going to be used. Building codes used to stipulate that the floor of an attached garage be four inches lower than the floor level of the house. The rationale for requiring this little step was that it would prevent spilled gasoline gasoline vapors and carbon monoxide from getting inside the house. A 6 inch thick slab weighs only about 75 psf and live loads anything that is not part of the building itself including vehicles typically don t exceed 50 psf in a garage.

6 8 inches 0 15 0 2 m side walks barn and granny floors. A core sample should be obtained and tested to verify minimum floor compressive strength. Thickness is the major factor even more than the strength of the concrete in determining a driveway s structural capacity. Existing concrete floors should be test drilled to verify minimum floor thickness and to confirm building drawings.

When investigating floor properties consult building drawings to verify proper floor reinforcement. 4 inches 0 1 m.