How Do I Build a Concrete Garage Floor?

Alexander Ross
Alexander Ross
• • 6 min read

Laying a Concrete Garage Floor Involves Digging out Any Soil, Compacting 150Mm Hardcore, a 50Mm Layer of Sand, a Damp Proof Membrane and a Final Concrete Slab...

How Do I Build a Concrete Garage Floor?
Laying a concrete garage floor involves digging out any soil, compacting 150mm hardcore, a 50mm layer of sand, a damp proof membrane and a final concrete slab. Adding a reinforcement mesh will add strength. To get it completely level I used timber guide battens and tampered the concrete using a timber straight edge.

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Regarding this, can I build a garage on a concrete slab?

For a garage WITHOUT a floor - BUILT ON SITE: Prepare a level concrete slab at least 4” thick and to the exact, outside, dimensions of your garage. You may want to consider a 6" thick slab for larger vehicles such as trucks or RVs.

Likewise, what kind of concrete do you use for a garage floor? To make your concrete mix, get some cement, sand, gravel, and water. The best combination would be 1 part cement, 2 parts sand (small aggregates), 3 parts gravel (large aggregate) and 1 part water. Mix all the dry materials first, and slowly add water as you go along.

Simply so, how thick should a garage concrete floor be?

Standard Thickness The standard concrete garage floor is six inches thick and, with use of proper control joints, should be thick enough to withstand normal use.

Can you pour new concrete over old concrete?

If the existing concrete is in good shape structurally, you can pour new concrete over it to freshen it up. Proper prep work is key to success when layering new concrete over old. If the existing concrete is in good shape structurally, you can pour new concrete over it to freshen it up.

Related Question Answers

Do you need rebar for 4 inch slab?

If you don't put rebars in a 4-inch [10 CM] slab, then it won't be reinforced concrete - and won't perform. As a general rule, any section of concrete must have at least 0.25% of its area in rebars to be considered reinforced concrete and do the intended job.

Must Read

Should I put plastic under concrete?

Vapor retarders have been used since the 1950s. Recently, though, research has shown that the old traditional layer of 6-mil Visqueen (polyethylene plastic) under the slab is seldom effective for two main reasons: Although it may seem water-tight, this grade of material allows a lot of water vapor to pass through.
Alexander Ross

Alexander Ross

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Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.