Spider Cracks In Concrete Walls

Concrete cracks caused by premature drying.

Spider cracks in concrete walls.

This is the first and foremost step in the repair of hairline cracks in the concrete. Vertical and diagonal cracks in concrete walls typically indicate foundation movement. These types of cracks are most likely visible after curing the area. The steps involved in the repair of hairline cracks in concrete are as follows.

There are different causes why these cracks appear. If the contractor was able to do it the right way the cracks would remain to be unnoticeable. Crazing cracks are very fine surface cracks that resemble spider webs or shattered glass. Stair step cracks may also signify heaving.

Sometimes these cracks have a v shape less frequent with the top of the crack looking larger and the crack getting smaller as it travels towards to floor and diminishing or stopping before reaching the bottom of the foundation wall. The stamping process is the process of giving a certain texture to the concrete. We would like to show you a description here but the site won t allow us. While these cracks are sometimes seen in homes with poured concrete foundations they are most common in homes with concrete block or brick foundations.

When the top of a concrete slab loses moisture too quickly crazing cracks will likely appear. Crazing cracks are the type of cracks that appear as fine lines and mostly resemble a web of spider. Although this will repair the crack the caulk will not match the color of the concrete and will be visible when cured. There are two common types of cracks brought on by premature drying.

One of the most common is the tendency of the concrete to shrink by the time the water starts to evaporate. On the other hand crusting cracks are the type of cracks that occur due to the stamping process. Study the direction of the crack to determine its seriousness. Inspection of the crack is done and if any oil or stains have penetrated the crack and have discoloured the concrete the stains will have to be addressed before repairing the crack.

Shrinkage cracks in a poured concrete foundation can be diagonal or vertical and are usually uniform in width. Typically a continuous hexagonal shape on the concrete surface that looks like a spider web is known as crazing. It develops in the early stage of fresh concrete and is rarely more than 3 mm deep. If you have a concrete driveway patio walkway or any other concrete structure with minor surface cracks one of the best ways to repair these cracks is to fill them in with concrete repair caulk.