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painting a concrete garage floor? Answered

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Burf

5 years ago

It would help knowing if this is for indoor or outdoor use but I'll give you a generic answer.
First, you'll want to be sure use a paint made specifically for concrete and that's imperative. Talk to the sales clerk, ask questions and then read the instructions.
Next is prepping the concrete:
Patch any cracks or chips in the concrete
If its a small area, scrape the floor thoroughly to remove any debris stuck to the concrete; paint, glue, chewing gum, etc. Then sand the floor several times with a pole sander.
If its a large area, rent a power sander.
VERY IMPORTANT! You must then scrupulously clean the concrete. Sweep, vacuum and then damp mop.
Let the concrete dry completely. Apply the paint following the manufacturer’s instructions with a short nap (3/8") paint roller. Let dry, then apply an appropriate top coat.
It will last for years if done properly, or it could fail in a month or two if done improperly.

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mole1Burf

Answer 5 years ago

+1
Also, don't put anything rubber-like down on it if you take shortcuts (like don't sand). Ironing board feet, exercise equipment feet, etc can grab the paint and peel it right off... speaking from experience.

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mpilchfamily

5 years ago

You don't paint it you stain it. Look for concrete stains.