![]() Press the panel hard against the wall, sliding it back and forth a few inches to distribute the glue. Position the first panel in the center of the cinder block wall at ground level. Apply additional beads every 6 to 8 inches across the length of the panel. To remove mildew or algae, use a concrete wash.Wash the wall with soapy water and a scrub brush, then rinse the wall and allow it to dry.Īpply a bead of construction adhesive to the back of the first faux brick panel.Fit the wand with a 25-degree fan tip, and hold it 6 to 8 inches from the surface as you clean the concrete with slow, even sweeps.For surface preparation, wear heavy boots and protective glasses and blast off surface dirt with a gas-powered pressure washer that can reach at least 3,500 psi.How to Resurface Worn Concrete Step 1: Clean the Concrete Resurfacing takes most of the day, but your walkway will be back in pristine shape once you’re done. The surface temperature of the existing concrete must be at least 50☏. For optimum results, work on a day with low humidity, no rain and an air temperature ranging between 70° and 75☏. Temperatures should remain above 50 degrees F for 8 hours after the pour and above freezing for 24 hours after that. What Temperature Should You Pour Concrete?īefore resurfacing, strip off any paint or sealers from your concrete surface and watch the weather. If you want a different color, just add a concrete tint. ![]() One 40-pound bag coats about 35 square feet. Its natural color is dark gray, so buy enough to cover your entire walk. ![]() Today there are more practical alternatives.Īs long as your walkway isn’t cracked all the way through, you can coat the slab with a concrete resurfacer, a no-shrink blend of Portland cement, sand, and polymer additives that fills divots and makes a uniform finish. In the past, when a concrete patio or driveway started to show serious signs of aging, using a jackhammer or bringing in a bulldozer were the only repair options. Tom Silva replies: Spalling, the pits that form in concrete, happen when too much water is used in a concrete mix, weakening it. Our concrete walk has pits and seems to be crumbling. ![]()
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