Clean the Concrete Crack
From Concrete Step Repair · Step 1 of 5 · Video by Adhesives Technology Corp.
Showing 0:20–0:34 of the source video.
What happens in this clip
To prepare the concrete for repair, first, use a wire brush to vigorously clean the concrete crack and the surrounding surface. This helps remove loose debris, dirt, and any contaminants. After brushing, use compressed air to blow out the crack, ensuring that it is completely free of any fine particles or obstructions that could prevent proper epoxy penetration.
Goal: Prepare the crack for sealing and injection by removing debris
What's used
Tools
- Compressed Air Nozzle
- Safety Glasses
- Safety Gloves
- Wire Brush
- Angle grinder with wire brush attachment
About the full video
This project provides a comprehensive guide on how to structurally repair cracks in concrete using a specialized crack injection and concrete repair kit. The process involves thoroughly cleaning the crack, applying a surface sealant, installing injection ports, injecting structural epoxy into the crack, and finally, removing the ports and finishing the surface for a smooth appearance.
Step 1 of 5: Clean the Damaged Area
Using a stiff brush or wire brush, scrub the damaged area to dislodge any loose concrete, dirt, or debris. For stubborn dirt or efflorescence, a pressure washer or garden hose with a strong spray can be used. After brushing, use a shop vacuum or compressed air to remove all dust and fine particles from the crack and surrounding area. Ensure the area is completely dry before proceeding.
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.
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