Measure or estimate the amount of filler material you will need to execute your repairs. A small pothole, less than two feet square can be repaired with about 50 pounds of cold mix asphalt filler.
Select the asphalt filler you want to use for your repair. Cold asphalt filler (a mixture of asphalt tar and rocks) is sold in plastic bags similar in size to cement bags weighing 50 pounds, and buckets ranging from one gallon to five gallons.
Clean loose dirt and debris out of the hole with a garden shovel, a trowel, or other suitable tool. If the material in the hole is dry soil, you may want to use a garden hose to dampen it because the tar will not stick to dry dirt.
Let the hole dry in the sun if there is water in it because the tar will not stick to the wet dirt. You can also use a fan or blow dryer if you are in a hurry.
Fill in holes that are more than three or four inches deep with a material that can be compacted tightly, such as clay, crushed concrete, or crushed limestone. For repairs where the material underneath the patch is not capable of being compacted with normal methods, you may want to over-excavate the hole and pour concrete to about two inches below the finished pavement grade to stabilize the area.
Fill the hole with the asphalt filler to about one half an inch above the adjacent paving. This will leave the finished patch level with the pavement after it is packed.
Pack it down with a hand tamp, a gasoline powered plate compactor, or even a hammer for very small holes. Make sure the cold asphalt mix is packed firmly into the hole or you will find the patch will fail quickly when it is exposed to traffic.
Cover the patch if possible. You can put a board or piece of plywood over the fix for a few days to ensure that it hardens more but this is optional. If you packed it down tightly, it can be driven over immediately.
Clean up your tools and any spilled material around your patch and admire your handiwork.
Finished.
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