Cracks In New Concrete Slab Foundation

Correction of foundation and structural problems can be very costly and occasionally foundation cracks will be a warning sign of other structural issues with a home.

Cracks in new concrete slab foundation.

If the crack is wider than 1 8 inch it should be sealed. Plastic shrinkage concrete cracks. Branz corporation concrete slabs and conrol joints build aug sept 2005 branz moonshine road judgeford porirua city 5381 new zealand post. These are extremely thin but possibly deep cracks.

This technique guarantees the full repair of the foundation. Cracks between 1 8 and of an inch often result from house settling or concrete shrinking within a few months after construction and so. As the name implies these cracks are very small about 0 003 inches 0 08mm in width and can be very shallow. The second type of crack that can appear on the foundation of a new home is due to ground movement.

Several things can cause this type of foundation damage including soil pressure outside of your foundation and hydrostatic pressure that can cause your basement walls to bow. They are primarily caused by the concrete. These cracks also occur when the concrete is cured incorrectly i e if the surface dries much. While these cracks are sometimes seen in homes with poured concrete foundations they are most common in homes with concrete block or brick foundations.

64 4 237 1171 email. My concern is i have several hairline cracks throughout the slab. 64 4 237 1170 fax. 98 of the homes in the united states have foundations constructed out of concrete masonry blocks or brick all of which tend to crack when there is movement and excessive stress.

My new house built on a concrete slab is about 60 done framing and drywall are in. When concrete expands it pushes. Contents causes of hairline cracks in concreteprevention of hairline cracks in concreterepair of hairline cracks in. Types of cracks in slab foundation.

Cracks caused by ground movement under the new house. When concrete is still in its plastic state before hardening it is full of. Six common types of cracks in your concrete 1. Professionals helpline 0800 80 80 85 is available free to those who work.

To do this a foundation crack contractor will inject a flexible polyurethane to seal the openings. I purposely had the slab made thicker 6 inches with heavier rebar and a fiber type additive to hopefully minimize this from happening.