Can You Pour Concrete Over Asphalt

Asphalt requires a well prepared stable subbase otherwise the resulting pavement will be subject to instability and cracking.

Can you pour concrete over asphalt.

To save time and money many states and municipalities use a road repair technique known as whitetopping the process of pouring concrete over asphalt rather than removing the existing asphalt. It is safe to pave asphalt over concrete. Homeowners can benefit from this whitetopping technique to reduce labor costs and time when replacing worn asphalt driveways. You can put asphalt over concrete but professionals don t advise it.

Well the answer is yes. When concrete deteriorates it draws and holds moisture. Putting asphalt over concrete is done for several reasons but does have its drawbacks. If you ve been thinking about updating your driveway or parking lot you might be wondering if asphalt can be paved right over the top of the concrete.

In fact many miles of concrete roads are paved over with asphalt every year. Therefore concrete is often used as a bridge over unstable ground. The truth about asphalt over concrete. It will however require a little more maintenance than a typical asphalt overlay.

This is constructed by placing and compacting the base material and then placing about a 3 layer of permeable asphalt. 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. It is called an asphalt treated permeable leveling course. Concrete itself is very stable and strong so no matter what it is poured over the slab is going to be solid when it hardens.

An asphalt overlay is cheaper to install than replacing concrete and can provide a smooth ride over deteriorating concrete. There are situations where we commonly put concrete over asphalt when building roadway pavements. 1 run it by the local building dept see what they want if anything for a footer as aggie67 stated in his post. Concrete is a great base material because it is stable and allows for excellent compaction of the asphalt above.