The biggest threat to a concrete slab in the garage comes not from what gets built or parked on top but what might move below.
Building a garage off a concrete slab.
Removing too much topsoil you ll need to remove some of the dirt so that your concrete floor when poured will be level with surrounding land levels.
We go over all the necessary steps for your concrete slab to come out perfect.
Stake and brace the side form.
If the soil or base beneath the slab shifts or settle the result can be a cracked slab.
Pouring just a slab with a thickened perimeter is the least expensive and a perfectly acceptable option if you have good soil conditions not spongy.
It s important to have solid and level base for placing the garage floor slab.
Then remove the forms and pour the remaining slab.
Construction of garage floor slab 1.
Step 8 pour concrete.
Building a detached garage usually doesn t require deep footings as in the case of attached constructions.
Therefore you need to use shallow footings that have 1 2 rebars at the edges.
In this video we show you how to pour your basic 16 x 12 concrete slab.
Can i build off a reinforced concrete slab for a double garage.
I am about to build a double garage it requires no planning or regs as long as i stay within 30sq mtrs and under 2 5 high i have already checked with my local council it will be built in the same place as the garage i just removed which was asbestos.
Building the concrete slab.
Contact your local building department to see whether a permit is required and how close to the lot.
None of the steps can be omitted.
Set and level one side.
Cut a 2x12 to length or splice it with a cleat for one side of the concrete forms and nail it.
Pour the footings first and allow them to dry.
There are a lot of steps in forming a frame for a concrete garage floor.
In addition you need to tie the slab to the footings with wire mesh.
Good ground preparation starts with removing the topsoil.
How to build a detached garage.
Keep these plans in mind as the minimum requirement and check your building plans for any specifics from the architect.
Project step by step 16 prepare the site.