How much to diamond grind a concrete floor?

What Can I Expect To Pay Per Square Foot To Grind A Concrete Floor? Approximate cost per square foot for a Basic diamond grind (not including sealers or coatings): $0.30/sq. ft. when doing 3000 sq.

How much does it cost to get concrete grinded?

Concrete grinding costs $10 – $60 per square metre depending on what we are grinding and how large the area is. On average concrete grinding costs $20 – $30 per square metre for jobs from 0 – 100 square metres.

How long to diamond grind a concrete floor?

Most people will perform a grinding process on a two-car concrete garage floor in about two hours. However, this does not include the time spent working on the edges. You can use a smaller grinder for the hard to reach areas near the walls and in the corners.

How much does a concrete floor grinder remove?

How much will a concrete grinder remove? A grinder can take off up to 1/8 of an inch of material with each pass — less than a concrete scarifier, which cuts into surface coatings and the underlying concrete and can cut about 1/4 of an inch with each pass.

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How much does it cost to sand concrete floor?

A contractor may charge anywhere from $1 to 4 per square foot to grind or sand concrete. However, if you choose to do it yourself, renting the grinder and the pads will run you around $0.30 to $0.40 per square foot.

How much does it cost to hire a concrete polisher?

Concrete polishing can cost from $50 – $100 per square metre, depending on the method used.

Do I need to etch concrete after grinding?

If the concrete immediately turns dark and absorbs the water, then that area is good. If it doesn’t, then you will need to etch those areas again. If you don’t test the concrete after etching, you run the risk of having areas of your coating that can fail.

How long does it take to grind down concrete?

Most users report that grinding down to an original floor for harder concrete could take up to 6 hours for 500 ft. This would include larger jobs covering the same surface area but having more to remove, like certain glue types or other imperfections stuck in the cement.

How do you clean concrete after grinding?

Once you have grinded the concrete and there is no more debris or dust, usually you will want to power wash it to remove any hidden dirt and get id of the grinding dust. Once the surface is visibly dry, you can use the water test to see if the surface is ready for sealing.

How much concrete can a concrete grinder remove?

A small planetary concrete grinder with basic grinding tools will remove around 1/16” of the concrete in 1-2 passes in a normal situation. You might be able to remove more – 1/8” if use a heavier concrete grinder and more aggressive PCD tools.

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Should I use water when grinding concrete?

The main role of water here is to cool down the diamond tooling and also provide lubrication to reduce friction. … Additionally, a great deal of concrete grinding contractors prefer this method not just because of familiarity but also because water reduces the dust particles inhaled by the operator.

How fast is a concrete grinder?

WALK-BEHIND CONCRETE GRINDERS

Disc rotation speeds range from about 250 to over 3,000 rpm.

How much does a 40×60 concrete slab cost?

How much does a 40×60 concrete slab cost? It would be about $8,500 to $12,000 for a 40×60 foot concrete slab, 6 inches thick. That’s based on national averages of around $5 per square foot for a fully engineered, finished concrete slab, including labor and materials.

Can you sand a concrete floor?

Sanding concrete is a professional work, and it’s better to get it done at the hands of experts. It’s tempting to take it as a DIY project, but you may leave behind several irregularities that’ll look bad. To ensure that your floor is perfectly smooth, hire a professional sander.

Can you polish old concrete?

Almost any structurally sound concrete floor, whether new or old, can be polished. … Some retail and warehouses facilities that plan to polish their floors after placement may specify a floor that is as smooth as possible to minimise the polishing steps required.