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How-to: Repair Cracks in Concrete in Two Easy Steps

As winter approaches, the freezing and thawing cycles can wreck your driveway and other concrete surfaces if you have cracks. Water seeps into tiny cracks, freezes, and expands, making those cracks even larger. Left unchecked, this process can cause significant damage, leading to costly repairs come spring. But don’t worry—there’s still time to protect your driveway before the worst of the winter weather sets in.

Repairing cracks in concrete now can prevent further deterioration and keep your surfaces looking and functioning it’s best. In this guide, we’ll show you how to repair cracks in three simple steps, so you can head into winter with peace of mind.


We recommend sealing cracks only when the temperature is above 40°F for the best results.

Clean

Step 1: Clean the Area

Before you can fix the crack, you need a clean surface to work with. Debris, dirt, and old sealant can prevent your repair materials from adhering properly.

What You’ll Need:

  • A wire brush
  • A vacuum or compressed air
  • Mild detergent and water

What to Do:

  1. Use the wire brush to scrub the crack, removing any loose debris and rough edges.
  2. Vacuum out the dust and small particles. Alternatively, you can use compressed air to blow out debris.
  3. If the area is stained with grease or oil, wash it with a mild detergent and water. Allow it to dry completely before moving to the next step.

Seal

Step 2: Fill the Crack

Once the area is clean and dry, it’s time to fill the crack. The type of filler you use depends on the size of the crack. For cracks, ( up to a 3/4 in) a liquid filler works best.

What You’ll Need:

  • Concrete crack filler (for small cracks)
  • A caulking gun (if using filler)

What to Do:

  1. Apply the filler into the crack, ensuring it penetrates deeply.
  2. For deep cracks, you may need to apply the filler in layers, allowing each layer to dry before adding the next.

Final Tips for Success

  • Choose the Right Products: Not all fillers and sealers are created equal. Look for products designed for your specific application (e.g., outdoor vs. indoor use).
  • Work in Good Weather: If you’re repairing outdoor concrete, aim for a day with dry, mild weather. Rain or extreme temperatures can affect the repair process.
  • Inspect Regularly: After your repair, keep an eye on the area for new cracks or signs of wear. Catching issues early will save you time and effort in the long run.


Why Act Now?

Waiting until spring to address cracks can lead to more extensive damage as freezing and thawing repeatedly stress your concrete. Taking action now ensures your driveway and walkways can handle the winter weather with minimal wear and tear.

Repairing cracks in concrete is an easy, cost-effective project that can save you money in the long run. So, grab your tools and take on those cracks before winter takes its toll!

Have questions or too many cracks to fix? Give Opp Concrete a call for a quote on a brand-new concrete surface! This December and January 2024, take advantage of our winter sale—10% off.

It’s the perfect time to upgrade your concrete!