How To Repair Hairline Cracks In Basement Floor

The cracks caused by shrinking are usually only hairline cracks less than 1 16 or as wide as 3 32 but these hairline cracks typically extend far beyond the surface.

How to repair hairline cracks in basement floor.

Step 2 for small cracks clean the area first. Basic steps for repairing a basement floor crack. This will weld the crack together creating an excellent basement floor repair. 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.

Hairline cracks need no repair and are not indicative of a larger problem. The problem is that the best topical crack repair is one applied on the side of the concrete where the water first enters. Unfortunately in the case of basement floor cracks the water is entering from the underside that you can t reach. Forced air can blow out any debris.

Hairline cracks are commonly observed in freshly placed concrete and their occurrence is owed to the phenomenon of plastic shrinkage. Step 3 chisel loose concrete for larger cracks. Contents causes of hairline cracks in concreteprevention of hairline cracks in concreterepair of hairline cracks in. Crack repair methods also depend on the type of foundation that s breaking.

Clean out the cellar floor crack with a vacuum remove any loose cement or aggregates. As the name implies these cracks are very small about 0 003 inches 0 08mm in width and can be very shallow. Shrinkage is a common problem when installing concrete during the hot summers where the moisture is lost quickly and when concretes mixed with too much water.