The asphalt is more porous than concrete which allows this application to work on asphalt.
Can you use asphalt sealer over concrete.
I have a neighbor that has a concrete pad attached to his asphalt driveway.
Resurfacing asphalt paths or driveways with concrete often referred to as whitetopping provides an effective and cost efficient method of leveling out deteriorated asphalt.
You can put asphalt over concrete but professionals don t advise it.
What does asphalt sealer do.
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.
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.
You can use blacktop sealer on concrete it will cure properly and will not track up the only problem you will have if your concrete is already breaking up it will continue to do so because there is.
Asphalt sealers are specific chemical mixtures designed for asphalt penetration and top sealing.
A concrete stain might hold up better.
Now this being said i wouldn t be afraid to try this on small area as a test.
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.
It looked good at first but within a year most of the sealer had worn off of the concrete.
Well the answer is yes.
Holes or cracks with depth of 2 inches or more require filling before concrete overlay is applied.
In fact many miles of concrete roads are paved over with asphalt every year.
Concrete is a great base material because it is stable and allows for excellent compaction of the asphalt above.
That s the bad news.
Choosing the right asphalt driveway sealer.
Asphalt works as a driveway base under concrete only when it is strong stable and at least 2 to 3 inches thick.
Before concrete installation begins the asphalt is inspected and repaired as needed.
The entire purpose of the application of asphalt sealer is to create a seal on the asphalt which is impervious to water spills and chemicals.