Gravel Sub Base For Garage Floor

The subbase according to aci 302 1 guide to concrete floor and slab construction is a layer on top of the subgrade of compactible easy to trim granular fill that will remain stable and support construction traffic in some cases a base layer is placed on top of the subbase.

Gravel sub base for garage floor.

Base or base course this is the layer of material on top of the subbase and directly under the slab. Its about 3 75 cu yards of crete or like 400 it will cost 100 for gravel to fill in 2 but my crete is still only a little cheaper and it will be a thinner slab. 4 to 6 inches compacted densely 90 or to refusal of 3 4 minus crushed rock gravel would be typical. When working with concrete slabs it s important to take the appropriate steps to ensure that it lasts for many years to come.

The sub grade preparation gravel layer is a structural element very important for the longevity of the concrete slab entirely apparent from its role in water control. If you are not particularly concerned with having a floor that is level then gravel is a great choice. In order to get the most use out of your concrete slabs you need to add a layer of crushed stone beneath it first placing crushed stone under concrete serves several purposes and can provide the following benefits. Subgrade this is the native soil or improved soil usually compacted.

If heavier vehicles such as large trucks will use the driveway regularly the gravel should be even deeper up to 12 inches. Most concrete slabs will sit 1 to 2 inches higher than the dirt and 2 to 3 inches below the surface of the dirt making the needed depth of the hole 3 to 5 inches. What type of gravel under concrete slab. It is one of the most unsung of all the garage floor covering options.

I could put gravel in say 2 and 3 5 of concrete over that or just full 5 5 of crete or i could do lot of gravel and a 2 top coat over that with a bunch of steel and fibers. In my area no one would use sand. A hand tamper is a heavy pole with a flat metal base and two handles on. Find slab and foundation contractors near me.

Subbase this is a layer of gravel on top of the subgrade. The gravel base for a driveway should be a minimum of 4 inches deep. Gravel for those searching for garage floor options other than concrete gravel is an inexpensive choice and it can be among the most cost effective shed flooring options. If you plan to add pavers to the top of the gravel dig down at least 8 inches to allow for the thickness of the pavers and that sand layer you must build between the gravel and the pavers.