How do you repair concrete?

concrete sealers & repair Step 1: Using a Chisel, Make the Crack Wider at the Bottom than the Top. Step 2: Clean Out the Debris with a Stiff Fiber or Wire Brush. Step 3: Fill the Crack with Patching Mix (also know as Vinyl Concrete) Step 4: Address Any Pop-Outs. Step 5: Wet the Surface and Apply a Concrete Bonding Agent. Click to see full answer. Accordingly, can you put concrete on top of concrete?Yes, you may pour a concrete pad overlay over an existing slab. You need to consider the added height and weight of the overlay on the existing structure. Overlays may include polymers, portland cement concrete, or epoxies. You should improve the drainage of the slab by having a good slope on the overlay.Likewise, can crumbling concrete be repaired? Repair Crumbling Concrete. Concrete is simply artificial rock. If it’s mixed, placed, finished and cured correctly it can last 100 or more years. To add a thin patch of concrete that wouldn’t exceed 3/8-inch in thickness, all you do is mix coarse clean sand with Portland cement. Simply so, how do you fill large cracks in concrete? How to Repair Wide Concrete Cracks Chisel the crack with a hammer and masonry chisel to widen the base of the crack and to dislodge any loose material from the old concrete. Remove all debris from the crack, using a wire brush. Remove all water and debris from the crack with a wet/dry shop vacuum or a brush. Does concrete resurfacing last?Thanks to its advanced bonding properties, concrete resurfacing can last for quite a while. A properly resurfaced floor can last from 8-15 years.