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.
Asphalt over concrete driveway repair.
It just doesn t make fiscal sense to do it as that driveway will need a lot more work in the near future.
Deep of 3 4 minus gravel no stone is bigger than 3 4 in.
As long as you follow the steps closely the new driveway should look professional and the crumbling one will be a distant memory.
Clean the cracks using a strong spray from a garden hose.
If you are looking to add asphalt over concrete you will need to make sure you have a stable concrete surface below with no expannsion joint shifting to make a proper base for overlay.
Pouring asphalt over concrete is bad for the longevity of your driveway.
If the soil is unstable a netlike geotextile fabric may be required beneath the gravel as may drain tile 4 in.
Repairing a crumbling driveway can be a daunting task and it will take considerable time and patience.
In this video we ll repair a hole in a driveway.
When the crack is deep fill it to within 1 4 inch of the surface with sand.
Homeowners can benefit from this whitetopping technique to reduce labor costs and time when replacing worn asphalt driveways.
You ll eventually have to replace concrete and asphalt driveways with deep holes numerous holes or large cracks.
So yes pouring asphalt over concrete may look good at first but there are bound to be troubles over time.
My driveway was cracked all over so i opted for asphalt over concrete to make it all look uniform and good.
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Apply patching compound for asphalt driveway repair or concrete.
Tamp down the sand.
Part two is here.
Driveway repair putting a bag of blacktop asphalt on a damaged surface update https ww.
Concrete expansion over time may cause reflective cracks.
Patching could push this replacement back a few years but the driveway will.
The first day they cut transition lines where asphalt would meet the concrete.
Perforated pipe that drains the perimeter of the driveway.
For a new asphalt or concrete driveway installed where none existed a compacted gravel layer 8 to 10 in.
Over time asphalt driveways will begin to crack and crumble.
If weeds are growing out of the cracks pull them.