Repair Cracks In Concrete Before Flooring

On narrow cracks apply a bead of caulk on the side of the concrete crack at least 1 8 from the edge of the crack.

Repair cracks in concrete before flooring. Work around the whole border of the crack. Yes you should fix concrete and make level it before installation laminate flooring. Narrow concrete cracks can be filled using masonry crack elastomeric filler that can be applied with a caulking gun. Very small cracks such as hairline cracks can be repaired using a vinyl concrete patching compound applied over the crack and then smoothed with a putty knife or trowel.

Once the crack is prepped the repair work can begin. If grease oil or dirt remains in or near the crack clean it thoroughly. With a cold chisel and large hammer undercut the edges of the crack. In general using a trowel is the best and most accurate way to apply patching compound.

This will help the epoxy coating to properly cure and not bubble or peel with time. Use the pointed end or a masonry pointing tool to force the patching compound into the crack. Overfill the crack slightly and scrape the flat edge of the trowel across the surface to flatten it out. The vertical displacement associated with settlement cracks.

You might need to repeat this several times. Assessing the concrete cracks first begin by identifying the type and cause of the cracks. With a wire brush clean the crack. Verify before proceeding that the crack is manageable and can be fixed using the crack kit.

Works on all residential and industrial type concrete floors. Push the mortar so it is even with the concrete surface. Use a smaller trowel or paint scraper and scrape along the edges of the crack or hole where the concrete meets the mortar. Before applying any epoxy floor coating it s important to properly assess the concrete and repair any damage including sealing cracks.

Repairing the concrete for small narrow cracks that do not show signs of moisture use concrete filler which can be purchased in a tube in vinyl epoxy or latex to fill the crack. Any type of flooring may be used over properly repaired shrinkage cracks if the entire concrete surface of the pad is leveled and sealed. This creates an area that can be used to put the epoxy minimizing the waste. Sweep away any loose debris then vacuum the crack.