How thick does a concrete slab need to be for garage?

four-inches thick
The concrete slab should be four-inches thick at least; it needs to be thicker if heavy equipment will rest on it. Building codes offer requirements for the concrete mix, which vary by region.

How deep should a slab be for a garage?

For most domestic garages, a six-inch slab of concrete will be sufficient. It is only when a space will see constant traffic from much heavier vehicles that a concrete slab of more than six inches would be needed.

How much does it cost to replace a garage slab?

Concrete slabs typically cost about $6 per square foot, or between $4 and $8 per square foot including labor. That’s about $5,400, or between $3,600 and $7,200 for a typical 30- by 30-foot slab that’s 6 inches deep. Materials alone cost about $4 per cubic foot.

How much does it cost to replace a concrete floor in a garage?

Cost To Replace a Garage Floor The base cost to install a concrete floor replacement will be approximately $6-15 per square foot. But there are a number of additional details that you’ll need to take into account, to arrive at the final price.

What should I consider when converting my garage?

Another major point to consider when undergoing a garage conversion is to think about the flooring. Most likely, the garage floor is an unfinished concrete slab.

Can a concrete slab be laid over a garage?

It can be laid directly over the slab, so long as the slab is properly prepared. This typically entails filling cracks with patching compound, cleaning spills with a degreasing solution, and applying sealer to block moisture from rising up through the porous concrete.

How much does it cost to put concrete on a slab?

You’ll also get the number of 40-pound, 60-pound, or 80-pound bags of concrete are needed for the project. For example, a 10′ x 10′ slab that is 4″ thick will need an estimated 1.23 yards 3 or 75 60lb bags of concrete and will cost roughly $140.

What should I do with my old concrete garage?

Install heating and cooling system, either by tying it to the house’s main installation, or adding an independent one. Ensure proper electrical wiring and plumbing. Add additional windows. Change the garage door.