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Also Read: What Color Carpet Goes with Beige Walls Materials Required Concrete cleaner Concrete crack sealer Resurfacer Project step-by-step (10)1. Results to Expect If your slab is suffering from low self-esteem because of pits, craters or cracks, you can cover up those scars. Concrete “resurfacer” is a cement-based coating that forms a smooth, new surface right over the old concrete. The cost of resurfacer for a two-car garage is typically less than $200. You’ll also need to buy or rent some special tools, so expect your total cost to be about $300 for this how to resurface concrete project. 2. Buy the Materials We used Quikrete Concrete Resurfacer (about $20 for 40 lbs.). Similar products, such as Sakrete Flo-Coat, are available. Buy enough to resurface the whole floor. To estimate the amount you need, check the label and then buy two or three extra containers. Better to return some than to run out before the job’s done. 3. Clean the Slab and Fill Deep Holes and Cracks Scrub with a concrete degreaser and a stiff brush, then follow up with a pressure washer. Rinse twice to remove all residue. 4. Find the Deep Pits Make a mark 1/4 in. from the tip of a pencil. Use it as a depth gauge to locate pits and craters that need filling, then circle them. 5. Remove the Loose Stuff Chisel away any loose fragments along cracks or craters; there’s no need to bust away concrete that’s firmly attached.
Also Read: Horizontal Sliding Windows6. Concrete Floor Patch: Fill Cracks, Craters, Divots and Pits Mix up a stiff batch of resurfacer, using just enough water for a workable consistency. Scrape off the excess so repairs are flush with the surrounding floor. 7. Create a Dam Glue weather strip to the floor exactly where the garage door rests. This will stop resurfacer from flowing onto the driveway. The cleaner the concrete, the better the resurfacer will stick. Start with a thorough sweeping. If you have oil spots to clean, scrub them with a deck brush and concrete cleaner. Once you’ve removed the stains, apply cleaner to the whole slab with the brush. Then fire up the pressure washer . Start in the back of the garage and work your way to the front, forcing the excess water out the overhead doorway. 8. Mix and Spread the Resurfacer Recruit a helper to mix the resurfacer while you spread it. The material begins to stiffen quickly, so the faster you get it all mixed and applied, the better your results. 9. Spread It Smooth, Then Let It Set Spread from the middle of the puddle. Push the squeegee forward under moderate pressure to work the resurfacer into the concrete and force it into pores and pits. Then drag it back to eliminate edge ridges and to smooth the coating. Continue spreading until you get even coverage. Aim for a thickness of 1/8 in. When you’ve covered the whole floor, let it cure for 24 hours before you drive on it. This is the time to recruit a helper. You’ll need one person to mix and another to spread resurfacer. Take two minutes to read the directions before mixing. The key to a smooth, lump-free mix is to let the resurfacer ‘slake,’ that is, sit in the bucket for a few minutes after the initial mixing. Then mix a bit more It’s also good to have a slat of wood on hand to scrape the sides of the bucket as you mix. 10. Erase Your Mistakes If you end up with ridges, shallow craters or squeegee marks, you don’t have to live with them forever. Go to a rental store and rent a concrete grinder for about $125 a day. It looks like a floor polisher, but it grinds down the surface, removing about 1/16 in. with each slow pass. It’s a dusty job that might take all day, but you’ll get a much smoother, flatter surface—perfect if you want to apply a finish like epoxy paint.
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