When I had mine installed the contractor said not until it "whites out"
usually 3 years or more and repeat in the same manner. He said most people
do it entirely too often because it looks good for a few weeks.
He also said filling any cracks was far more important because of our
As often as you wish to make a contribution to the retirement funds of
the guys who do it.
Most such sealers just color it black for the most part.
There is not a lot of real advantage to doing much to a residential
Every few years. Do it this year, and then wait until it starts to look like it
needs it again.
The advantages of doing are that it looks better, (worth more to some than
others) - fills in small cracks before they become bigger, and some coatings are
a big help in protecting from spilled oil and gasoline. I also find that my
driveway is easier to sweep, since the surface is more leveled by the coating.
Some coatings also include grit that makes the driveway less slippery when wet
In southern climates, it mostly just looks better. They don't have issues with
water getting in small cracks and freezing.
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