About 15 yrs ago when he resealed the asphalt he also applied the sealer to the concrete.
Can you put asphalt sealer over concrete.
Actually probably not a good idea.
You can put asphalt over concrete but professionals don t advise it.
Choosing the right asphalt driveway sealer.
Only work on 2 to 4 foot sections at a time.
It is safe to pave asphalt over 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.
Concrete is a great base material because it is stable and allows for excellent compaction of the asphalt above.
They do make sealers for concrete check with you hardware store or home center.
Asphalt sealers are specific chemical mixtures designed for asphalt penetration and top sealing.
Before concrete installation begins the asphalt is inspected and repaired as needed.
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.
Now this being said i wouldn t be afraid to try this on small area as a test.
It will however require a little more maintenance than a typical asphalt overlay.
It is designed to bond with asphalt.
It looked good at first but within a year most of the sealer had worn off of the concrete.
For most sealers pour out a line of sealant along the highest edge of the driveway.
Well the answer is yes.
Holes or cracks with depth of 2 inches or more require filling before concrete overlay is applied.
Asphalt works as a driveway base under concrete only when it is strong stable and at least 2 to 3 inches thick.
No you cannot use blacktop sealer.
Most asphalt sealers require a squeegee while most concrete sealers use a brush or sprayer.
When concrete deteriorates it draws and holds moisture.
The asphalt is more porous than concrete which allows this application to work on asphalt.
In fact many miles of concrete roads are paved over with asphalt every year.
It s hard to beat the aesthetic appeal of an asphalt blacktop driveway but over time the material can develop spider web cracks and low spots left.
Use a squeegee or brush if needed to spread the sealant.