How To Fix Cracks In My Concrete Floor

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.

How to fix cracks in my concrete floor. The sashco slab sealant is one of the best concrete crack repair sealants you can buy. How to repair wide concrete cracks. The secret to fixing wide concrete cracks is to undercut the sides of the crack to give it an inverted v shape. Installations of concrete can last hundreds of years but sooner or later most end up developing small cracks gaps holes and crevices.

It doesn t allow moisture to seep through the crack which increases the lifespan of the concrete surface. While the sashco slab is a bit on the expensive end it s completely worth it. New homes cracks that occur in the first few months or years. Fix the crack in your concrete garage or basement floor yourself by following these step by step directions.

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. Using a diamond blade on your circular saw cut a 1 2 in deep groove along each side of the crack. Wet the surface and apply a concrete bonding agent. When i repair cracks in concrete like the one in the picture above i always use crackweld concrete floor repair kits from radonseal.

Be they straight jagged or spiderweb like fine cracks in the basement floor commonly result from surface shrinkage as. What to use for a crack repair kit. A 20 foot square of freshly poured concrete will shrink about a 1 8 of an inch in each direction. Filling small cracks in concrete keeps them from turning into big holes.

I buy the pro kit duel cartridge s because my company day s concrete floors inc specializes in concrete crack repair. Wear an n 95 respirator and turn on a fan to blow the concrete dust out of the garage. If you know how to fill small cracks in concrete you ll restore your concrete to a smooth finish. Clean out the debris with a stiff fiber or wire brush.

It delivers high quality concrete adhesion and keeps cracks sealed. Pack a small amount of anchoring cement. This technique will work for cracks smaller than 3 8 inch wide in the sidewalk driveway garage floor basement or steps. Hairline cracks need no repair and are not indicative of a larger problem.

If your concrete path patio or driveway has begun to.