Repairing Surface Cracks In New Concrete

Cracks that occur before hardening usually are the result of set tlement within the concrete mass or shrinkage of the surface plastic shrinkage cracks caused by rapid loss of water while the concrete is still plastic fig.

Repairing surface cracks in new concrete.

Smooth the surface of the patch with the trowel feathering the compound into the surrounding concrete. Fill the crack up to the surrounding concrete surface. Plastic shrinkage cracks are typically very narrow in width and barely visible. We would like to show you a description here but the site won t allow us.

While nearly invisible it is important to remember that plastic shrinkage cracks don t just exist on the surface they extend throughout the. If you have a lot of cracks you may prefer to use dry concrete mix or concrete patching compound instead. Construction force cracks to occur in places where they are inconspicuous. For big or deep cracks use a concrete mix or patching compound that contains gravel.

Since concrete cannot shrink around a corner stress will cause the concrete to crack from the point of that corner. As long as the rest of your driveway is sound no heaving sinking or crumbling you can replace those tiny cracks with a smooth concrete surface by applying a high quality resurfacing product.