Building A Garage Off A Concrete Slab

If you re considering the construction of your first concrete block garage you ll be wise to avoid some of the typical mistakes made by first timers.

Building a garage off a concrete slab.

Project step by step 16 prepare the site. 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. The formwork shall be designed to withstand construction loads such as fresh concrete pressure. How to build a detached garage.

Good ground preparation starts with removing the topsoil. 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. 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.

Can i build off a reinforced concrete slab for a double garage. Set and level one side. Step 8 pour concrete. It s important to have solid and level base for placing the garage floor slab.

Construction of garage floor slab 1. Cut a 2x12 to length or splice it with a cleat for one side of the concrete forms and nail it. None of the steps can be omitted. We go over all the necessary steps for your concrete slab to come out perfect.

Pour the footings first and allow them to dry. In this video we show you how to pour your basic 16 x 12 concrete slab. Stake and brace the side form. In addition you need to tie the slab to the footings with wire mesh.

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. If the soil or base beneath the slab shifts or settle the result can be a cracked slab. Keep these plans in mind as the minimum requirement and check your building plans for any specifics from the architect. Then remove the forms and pour the remaining slab.

Adding one course of block to a slab keeps the garage door framing farther up from the ground which may be necessary depending on the grade. Contact your local building department to see whether a permit is required and how close to the lot.