How to Repair Mushroom Damage on an Asphalt Driveway

It's hard to believe that mushrooms can penetrate a surface as hard as asphalt, but given the right conditions, they can do just that. Removing the unsightly mushrooms may take only a few seconds. The holes left in the driveway by the mushrooms can serve as points of entry for water to penetrate the asphalt and cause more serious problems. In extreme cases, the entire driveway may require replacement. Fortunately, asphalt patching material is readily available and straightforward to apply for areas damaged by mushrooms.

Shop vacuum
Garden hose
Spray nozzle
Asphalt patching material
Heat gun
Trowel
Cinder block
Rope
Asphalt cleaner product
Stiff brush
Asphalt sealant
Push broom

Instructions

- 1
  Remove any dirt and loose debris from the damaged area with a shop vacuum.
- 2
  Flush the damaged area with a garden hose equipped with a spray nozzle and allow the area to dry.
- 3
  Overfill the holes slightly with asphalt patching material.
- 4
  Warm the patching material with a heat gun.
- 5
  Smooth and level the asphalt patch with a trowel.
- 6
  Tamp the patching material down with a cinder block to firmly pack the material into the holes, then allow the material to dry. Tie a rope through each of the block's two openings to serve as handles.
- 7
  Scrub the area surrounding the repaired area with an asphalt cleaner product and a stiff brush.
- 8
  Spread a thin layer of asphalt sealant across the repaired area with a push broom and allow the sealant to dry.

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