Can You Put Asphalt Sealer Over Concrete

Asphalt can be successfully installed over concrete but due to the characteristics of each material you may not be happy with the long term results as the asphalt will ultimately crack in the same manner that concrete does.

Can you put asphalt sealer over concrete.

Most asphalt sealers require a squeegee while most concrete sealers use a brush or sprayer. It will however require a little more maintenance than a typical asphalt overlay. Only work on 2 to 4 foot sections at a time. It will never cure properly on concrete.

Actually probably not a good idea. Concrete is a great base material because it is stable and allows for excellent compaction of the asphalt above. I have a neighbor that has a concrete pad attached to his asphalt driveway. Well the answer is yes.

The asphalt is more porous than concrete which allows this application to work on asphalt. Holes or cracks with depth of 2 inches or more require filling before concrete overlay is applied. It looked good at first but within a year most of the sealer had worn off of the concrete. When concrete deteriorates it draws and holds moisture.

It is safe to pave asphalt over concrete. Asphalt works as a driveway base under concrete only when it is strong stable and at least 2 to 3 inches thick. Choosing the right asphalt driveway sealer. Asphalt sealers are specific chemical mixtures designed for asphalt penetration and top sealing.

Now this being said i wouldn t be afraid to try this on small area as a test. The truth about asphalt over concrete an asphalt overlay is cheaper to install than replacing concrete and can provide a smooth ride over deteriorating concrete. A concrete stain might hold up better. It is designed to bond with asphalt.

Before concrete installation begins the asphalt is inspected and repaired as needed. For most sealers pour out a line of sealant along the highest edge of the driveway. About 15 yrs ago when he resealed the asphalt he also applied the sealer to the concrete. No you cannot use blacktop sealer.

Use a squeegee or brush if needed to spread the sealant. In fact many miles of concrete roads are paved over with asphalt every year.