How To Prepare Your Parking Lot For A Crack Sealing Job


Cracks in your store's asphalt parking lot should be filled and sealed in late summer or early fall. Crack sealing the parking lot will help to prevent water from seeping into the cracks when temperatures are above freezing, and then turning into ice when the temperature falls below freezing, which will expand and damage the asphalt.

Proper crack sealing takes specialized equipment. The best thing to do is to hire a professional to do the job, like paving contractors in Nanaimo, but if you have limited financial means, you can prepare the parking lot yourself to be crack sealed. Here is how you can prepare your parking just before the crack sealing professionals arrive to lower the overall labor costs on the job.

You Will Need:

  • Leaf Blower
  • Sidewalk Scrapper
  • Push Broom
  • Construction Cones
  • Wooden Sticks
  • Caution tape
  • Eye Protection
  • Breathing Mask

Putting Up Cones and Tape

You need to close off the section of the parking lot you'll be working to prevent cars and people from walking over the freshly laid crack seal. Place construction cones around the area, and drop wooden sticks into the middle of them. Tie construction tape around one of the sticks, and then stretch the roll of construction tape from one cone (securely wrap the tape around each stick in a cone so it doesn't droop down) to the next until the entire work area is cordoned off (try to make the tape eye level for people driving cars so they can easily see it).

Cleaning Cracks

You need to remove all the debris in the cracks. Debris like broken pieces of asphalt, leaves, dirt, and other things will prevent the crack sealer from filling the crack and properly adhering to the asphalt when it dries – this can cause the sealant to erode, reopening the crack to the elements.

Take a long-handled single-blade sidewalk scrapper to chip away at the loose and broken pieces of the asphalt until they are loose enough to remove from the crack. This will ensure the crack sealer bonds to solid asphalt and not to pieces of broken asphalt.

Use a leaf blower to blow out the debris and chipped asphalt out of the crack. A lot of debris will fly up into the air. Make sure you are wearing eye protection and a breathing mask to avoid having small pieces of debris from getting into your eyes and lungs.

Have someone sweep the surface of the parking lot with a push broom as you blow out the cracks to prevent the surface debris from falling back into the crack.

The parking lot surface is now prepared for the crack sealing professionals to come in and start filling the cracks with sealant.


6 August 2015

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