The asphalt is more porous than concrete which allows this application to work on asphalt.
Can you put asphalt sealer over concrete.
Actually probably not a good idea.
I have a neighbor that has a concrete pad attached to his asphalt driveway.
It is designed to bond with asphalt.
Well the answer is yes.
It will however require a little more maintenance than a typical asphalt overlay.
You can put asphalt over concrete but professionals don t advise it.
Only work on 2 to 4 foot sections at a time.
About 15 yrs ago when he resealed the asphalt he also applied the sealer to the concrete.
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.
Now this being said i wouldn t be afraid to try this on small area as a test.
Before concrete installation begins the asphalt is inspected and repaired as needed.
Asphalt works as a driveway base under concrete only when it is strong stable and at least 2 to 3 inches thick.
Use a squeegee or brush if needed to spread the sealant.
For most sealers pour out a line of sealant along the highest edge of the driveway.
It is safe to pave asphalt over concrete.
A concrete stain might hold up better.
No you cannot use blacktop sealer.
It will never cure properly on concrete.
Choosing the right asphalt driveway sealer.
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.
Holes or cracks with depth of 2 inches or more require filling before concrete overlay is applied.
Most asphalt sealers require a squeegee while most concrete sealers use a brush or sprayer.
It looked good at first but within a year most of the sealer had worn off of the concrete.
They do make sealers for concrete check with you hardware store or home center.
When concrete deteriorates it draws and holds moisture.
Concrete is a great base material because it is stable and allows for excellent compaction of the asphalt above.