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