Small Cracks In Basement Floor

For this project you ll need.

Small cracks in basement floor.

There are different types of cracks step vertical horizontal along walls and in basement floors. If no expansion joints are cut into the concrete floor then shrinkage cracks will likely appear. Wait about a year for it to finish growing before filling it in with urethane caulk or hydraulic cement. You will begin to notice hairline cracks within 12 months of the basement floor being poured.

If on the wall the crack will be vertical not horizontal. If your cracks are fairly large chisel all the concrete that is loose around the crack. Filling small cracks in concrete keeps them from turning into big holes. Small cracks in the basement floor commonly result from shrinkage as the concrete dries which pulls the concrete apart.

Basement floor hairline cracks are also common and unless they widen to a 1 2 inch or more should only affect the appearance. If you know how to fill small cracks in concrete you ll restore your concrete to a smooth finish. The shrinkage tends to pull. Basement floors crack for a many reasons.

If the cement cracks you have found are small hairline type cracks begin your repair process by merely sweeping and cleaning dirt and debris away from the area. Shrinkage or curing a poured concrete foundation may contain small cracks because concrete shrinks as it cures. The crack usually starts at a 90 degree offset corner and radiates into the room. Most cracks in basement floors can be repaired by yourself with a do it yourself epoxy concrete crack repair kit.

The sub base wasn. Newly poured concrete shrinks when it dries. Many professionals advise that these types of hairline cracks are just superficial and do not require repairs as there is a slim chance of them expanding further or for moisture to seep through. If a dime can fit into the crack get it checked.

Step 3 chisel loose concrete for larger cracks. This technique will work for cracks smaller than 3 8 inch wide in the sidewalk driveway garage floor basement or steps. Because basement floors are poured after the walls are poured the concrete where they meet doesn t always bond completely and this is a common spot for a crack to appear when the house settles. These types of cracks can show up as long as a year after the basement floor is poured depending on how quickly the slab dries and how humid the basement is.

The crack s width will be small typically between 1 16 inch and 1 8 inch. These are quite common. The crack will not extend past the foundation into the structure.