Concrete basement floor thickness. We have a project nearing completion where we prepped for a 35 inch thick floor slab. To prepare the base cut the ground level to the proper depth to allow for the slab thickness. 6 8 inches 015 02 m side walks barn and granny floors.
The integrity of a concrete basement floor is imperative to the structural integrity of a home. Recommended thickness of concrete slabs. We ordered and placed enough concrete to justify the measurements and now the homeowner is debating the thickness of his basement slab.
If you have any load bearing walls columns or a chimney these areas should have footings already in place before the floor is poured. The preparation of the ground beneath the floor is critical. Standard concrete floor slab thickness in residential construction is 4 inches.
As soon as you go higher or have greater depths of soil pushing against the wall you need to increase the thickness to 10 inches. The best size aggregate for a concrete basement floor is 1 inch or smaller. Basement floors are supposed to be 3 4 inches thickbut as previous poster said it probably started out being dirtand someone upgraded to 34 inch.
Im fastening the bottom plate to the concrete floor using concrete screws 2 34 tapcon. If not then thicken those areas to whatever the code is in your area and pour them along with the floor add a mat of rebar in the load bearing areas for added strength. 4 inches 01 m.
Poured concrete foundation walls that are less than 8 feet tall and have soil outside that is 6 or 7 feet deep against the wall can often be 8 inches thick and function quite well. If the frame of a home rests on the concrete floor then the floor must bear the weight of the structure. In general poured concrete basement walls that are 8 feet tall or less and have no more than 7 feet of soil pressing against them from the outside function well at a thickness of 8 inches.
Five to six inches is recommended if the concrete will receive occasional heavy loads such as motor homes or garbage trucks. 4 5 inches 01 0125 m farm building floors home basement floors. Concrete floors must be installed correctly.
The owner cored a hole in the bathroom area and that spot measured only 275 inch thick.