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Mix and Apply Patching Compound

From Concrete Step Repair · Step 3 of 5 · Video by MrFixItDIY

Showing 2:20–2:56 of the source video.

What happens in this clip

Once the chipped area is completely dry, you'll need a concrete-vinyl patching compound. These are available off the shelf at most big box stores and are easy to use. Simply add a small amount of water to the powdered mixture and mix it until you achieve a peanut butter-like consistency. Apply the compound to the chipped out area using a masonry trowel or a disposable trowel. Feather out the surrounding area to match the existing concrete. For corner chips or areas next to expansion joints, you may need to take a little extra time to carefully form the patch to follow the existing contours.

Goal: Fill the chipped area with concrete-vinyl patching compound

What's used

Tools

  • Concrete-Vinyl Patching Compound
  • Disposable Trowel
  • Masonry Trowel
  • Float
  • Mixing Container
  • Water

About the full video

This project provides step-by-step instructions on how to repair a missing chunk from a concrete surface, such as a driveway, sidewalk, or patio slab. The process involves thoroughly cleaning the chipped area, mixing and applying a concrete-vinyl patching compound, and then finishing the patch for a seamless repair. Additional steps for larger or heaved areas are also mentioned.

Step 3 of 5: Apply the Patching Compound

Using a trowel or putty knife, scoop a portion of the mixed patching compound and press it firmly into the crack or chip. Work the compound into all voids and ensure it makes good contact with the underlying concrete. Overfill slightly to allow for shrinkage and easier feathering.

Open this step in the guide

Other videos for this step

Concrete Step Repair

This project outlines the process for repairing cracked or chipped concrete steps using a suitable patching compound. The steps involve cleaning the damaged area, preparing it for repair, applying the patching material, and finishing the surface to match the surrounding concrete.

Read the full guide Browse all guides

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