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Question DetailsAsked on 9/15/2016

Can I use a asphalt roof sealer to seal a blacktop driveway

Have a lot of excess roof sealer on hand

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1 Answer


Don't - different physical and thermal properties, so it will go on too thick to work well, is not designed to bond to asphalt drives, and roof asphalt is also much slower curing (weeks or months as opposed to days) and is a lower melting temperature mix so it will get sticky and track on tires and feet in hot weather. - probably totally peeling up in the tire tracks at times. It does have its used for crack sealing in drives, if coated with coarse sand for a dew weeks to provide an aggregate surface - but while it works well at sealing cracks it still constitutes a sticky tracking issue in hot weather - commonly anything above about 80 degrees on a sunny day (where asphalt gets well over 100 degrees).

Use the right stuff for the right purpose - and if you have a tremendous amount of roof sealer (to be enough to even think of doing a drive with it, which is normally 15-30 gallons worth) I would try Craigslisting it. Or if a fairly recent purchase and you have the receipt see if you can return the unopened cans to the store you bought it from.

Answered 4 years ago by LCD

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