Cracks In New Concrete Slab Foundation

When concrete expands it pushes.

Cracks in new concrete slab 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. My new house built on a concrete slab is about 60 done framing and drywall are in. Professionals helpline 0800 80 80 85 is available free to those who work.

My concern is i have several hairline cracks throughout the slab. These are extremely thin but possibly deep cracks. Six common types of cracks in your concrete 1. Private bag 50 908 porirua 5240 new zealand phone.

64 4 237 1170 fax. I purposely had the slab made thicker 6 inches with heavier rebar and a fiber type additive to hopefully minimize this from happening. 64 4 237 1171 email. These cracks also occur when the concrete is cured incorrectly i e if the surface dries much.

The second type of crack that can appear on the foundation of a new home is due to ground movement. Plastic shrinkage concrete cracks. To do this a foundation crack contractor will inject a flexible polyurethane to seal the openings. Hairline cracks are commonly observed in freshly placed concrete and their occurrence is owed to the phenomenon of plastic shrinkage.

Branz corporation concrete slabs and conrol joints build aug sept 2005 branz moonshine road judgeford porirua city 5381 new zealand post. This technique guarantees the full repair of the foundation. When concrete is still in its plastic state before hardening it is full of. They are primarily caused by the concrete.

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. Cracks caused by ground movement under the new house. Contents causes of hairline cracks in concreteprevention of hairline cracks in concreterepair of hairline cracks in. While these cracks are sometimes seen in homes with poured concrete foundations they are most common in homes with concrete block or brick foundations.

If the crack is wider than 1 8 inch it should be sealed. Just like a balloon heat causes concrete to expand.