Concrete pavers offer several advantages over blacktop and poured concrete, including design versatility, ease of installation, low maintenance and superior crack-resistance. While highly durable, concrete pavers aren't completely resistant to unsightly scratches. The concrete itself resists scratching, but the sealant used to protect the pavers against moisture damage is much more vulnerable. Fortunately, you can repair superficial scratches to your pavers' sealant without specialized tools or professional assistance.
Step 1
Create a mixture of two to three drops liquid dish soap and 2 cups water. Stir the ingredients to create a sudsy mixture.
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Step 2
Dampen a rag with the soapy water and wipe down the affected paver. Wet a separate rag with plain water and rinse away the soapy residue. Allow the paver to dry completely before continuing.
Step 3
Rub the scratched pavers with a fine-grit aluminum-oxide sanding pad. Using even, back-and-forth motions, work the sanding pad over the affected area to remove the scratched sealant. If the scratches are not removed with the fine-grit pad, switch to a medium-grit sanding pad.
Step 4
Sweep the sanding residue away with a dust brush or collect the dust with a shop vac.
Step 5
Apply a thin layer of concrete sealant to the relevant pavers with a paintbrush.
Step 6
Allow the first coat of concrete sealant to set for at least eight hours, or overnight, before applying a second, thin layer. Allow the final coat to cure for at least 24 hours before stepping on or cleaning the paver.
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