How To Fix Cracks In My Concrete Floor

This technique will work for cracks smaller than 3 8 inch wide in the sidewalk driveway garage floor basement or steps.

How to fix cracks in my concrete floor.

New homes cracks that occur in the first few months or years. What to use for a crack repair kit. Wet the surface and apply a concrete bonding agent. A 20 foot square of freshly poured concrete will shrink about a 1 8 of an inch in each direction.

When i repair cracks in concrete like the one in the picture above i always use crackweld concrete floor repair kits from radonseal. This helps the repair material to key into the crack creating a mechanical bond in addition to the chemical bond between the patch material and the concrete. It doesn t allow moisture to seep through the crack which increases the lifespan of the concrete surface. Hairline cracks need no repair and are not indicative of a larger problem.

Wear an n 95 respirator and turn on a fan to blow the concrete dust out of the garage. Filling small cracks in concrete keeps them from turning into big holes. Fix the crack in your concrete garage or basement floor yourself by following these step by step directions. Using a chisel make the crack wider at the bottom than the top.

Be they straight jagged or spiderweb like fine cracks in the basement floor commonly result from surface shrinkage as. If your concrete path patio or driveway has begun to. Installations of concrete can last hundreds of years but sooner or later most end up developing small cracks gaps holes and crevices. The secret to fixing wide concrete cracks is to undercut the sides of the crack to give it an inverted v shape.

While the sashco slab is a bit on the expensive end it s completely worth it. The sashco slab sealant is one of the best concrete crack repair sealants you can buy. Pack a small amount of anchoring cement. Clean out the debris with a stiff fiber or wire brush.

When a garage floor is first poured the concrete begins to harden contractors say cure and when this process takes place the concrete shrinks a little. If you know how to fill small cracks in concrete you ll restore your concrete to a smooth finish. I buy the pro kit duel cartridge s because my company day s concrete floors inc specializes in concrete crack repair. Fill the crack with patching mix also know as vinyl concrete step 4.

For this project you ll need.