Asphalt Sealcoating Recommendations. * We recommended sealcoating your parking lot the first year after it was installed and every 4 – 5 years after. Proper asphalt maintenance should allow for a good 15-20 years of life out of your asphalt paving. * We recommend you sealcoat your driveway 6 – 12 months after it is installed and every 3-4 ...
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