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Test Post – Repairing Cracks in Your Asphalt Driveway

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asphalt crack fillerWondering how to fix cracks in your asphalt driveway? Driveway cracks are commonly caused by cycles of aging, a settling subbase and/or freezing and thawing. Untreated cracks will lead to moisture entry and eventual erosion of underlying subbase under your concrete or asphalt.

The best way to avoid these cracks is to be proactive and take action before they extend and worsen. Some of the tools necessary to fix asphalt driveways are available at your local hardware store. So, purchase the right crack filler and tools for your driveway and follow these instructions for the best results.

Tools for Patching an Asphalt Driveway

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What to Do Before Filling the Crack

It’s best to clean, repair and seal your driveway every few years. Filling driveway cracks prevents rainwater from entering, disturbing your asphalt foundation. As you learn how to fix an asphalt driveway, review the steps to properly prep the area:

  1. Wear safety goggles to protect your eyes from the debris
  2. Remove any pieces of asphalt, dirt, or debris from inside of the crack
  3. Clean or flush out the crack with a Shop-Vac, air gun, or garden hose.
  4. Make sure to let the crack dry before filling

How to Fill a Small Asphalt Crack (1/8-1/2 inch)

1. Use a rubberized asphalt-emulsion crack filler
2. Apply it by pouring carefully from the container.
3. Smooth the crack filler level with the pavement using a V- or U-shaped squeegee.
4. Always let the filler dry before driving over the repaired area.

How to Fill a Large Asphalt Crack (>1/2 inch)

1. If the crack is deeper than two inches fill it with small, crushed gravel and pack it in
2. Fill the crack with a cold process asphalt repair compound
3. Use a tamper, or another suitable tool, to pack in the repair compound

How to Patch a Hole in an Asphalt Driveway

Neglected driveway cracks can lead to potholes. To learn how to patch driveway potholes, follow the steps below:

  1. Clean the area, removing loose material and large debris.
  2. Pour your asphalt patch repair material into the pothole, or use a flat-edge shovel or rake to smooth material ½ inch above pavement level.
  3. With a tamper or other suitable tool, pack the material until it is compact. You could also apply a piece of plywood over the hole and drive over it with a car to compact it.
  4. Fill deep potholes in 2” layers and reapply and compact until you’ve filled the pothole.

Finally, sealing your driveway helps to avoid water seepage and will protect your driveway from future cracks. Contact Unique Paving Materials to learn to learn more about how to maintain your asphalt with our crack filler and asphalt repair products.


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KOLD-FLO® Pourable Crack Filler




Easy-to-use asphalt crack filling solution for driveways, streets, parking lots and more

KOLD-FLO® Pourable Crack Filler is a modified asphalt emulsion crack filler designed for maintenance of asphalt and concrete pavements. It is ideal for fixing road and street cracks, highways, parking lots, and driveways.

Don’t forget to order a squeegee to make applying KOLD-FLO® crack filler easier.

Additional information

Weight N/A

Bottle, Box, Pail


1-Gal Bottle, 4-Pack Box, 5-Gal Pail


35lbs, 42lbs, 9lbs


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