You can put asphalt over concrete but professionals don t advise it.
Can you put asphalt sealer over concrete.
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.
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.
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.
In fact many miles of concrete roads are paved over with asphalt every year.
The asphalt is more porous than concrete which allows this application to work on asphalt.
I have a neighbor that has a concrete pad attached to his asphalt driveway.
About 15 yrs ago when he resealed the asphalt he also applied the sealer to the concrete.
It is safe to pave asphalt over concrete.
It will however require a little more maintenance than a typical asphalt overlay.
Choosing the right asphalt driveway sealer.
It will never cure properly on 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.
A concrete stain might hold up better.
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.
No you cannot use blacktop sealer.
For most sealers pour out a line of sealant along the highest edge of the driveway.
Actually probably not a good idea.
Now this being said i wouldn t be afraid to try this on small area as a test.
Use a squeegee or brush if needed to spread the sealant.
When concrete deteriorates it draws and holds moisture.
Asphalt sealers are specific chemical mixtures designed for asphalt penetration and top sealing.
Most asphalt sealers require a squeegee while most concrete sealers use a brush or sprayer.
Well the answer is yes.
Concrete is a great base material because it is stable and allows for excellent compaction of the asphalt above.