Wide cracks in concrete are best patched and sealed with a concrete patching compound. Patching compounds are usually mixed with water and applied with a trowel. Concrete surfaces cannot be repaired with concrete. Use a concrete repair mix instead; these are available at home centers and online.
Options include epoxy compounds, latex patch material, and mortar mixes. The latter option works best for filling large cracks (or chipped edges), while the other products are suitable for concrete cracks -inch wide or narrower. Whether it's a small crack or a large space, Sikaflex self-leveling sealant is up to the task. This product can fill spaces up to 1½ inches wide on horizontal surfaces such as floors, hallways and patios with ease.
Once fully cured, it remains flexible and completely submersible, making it suitable for repairs to swimming pools or other areas exposed to water. Sikaflex comes in 10-ounce containers that fit standard caulking guns. It simply squeezes the product into the crack and, thanks to its self-leveling quality, little or no tool work will be needed to obtain a uniform finish. Fully cured Sikaflex can be painted, stained or sanded to the desired user finish.
This 10-ounce tube of sealant fits in a standard caulking gun and flows easily, allowing users to squeeze it into small or large crevices without trowels or spatulas. Once cured, it remains elastic and flexible, preventing further damage from freeze-thaw cycles. This product can also be painted, so users can mix the repair joint with the rest of their concrete surface. This kit includes two polyurethane foam tubes to fill the crack, injection ports to adhere over the crack and two-part epoxy to seal the crack prior to injection.
Enough material to fill cracks up to 10 linear feet long. The repair will prevent water, insects and soil gases from penetrating the foundation, keeping homes safer and drier. When dealing with a large crack in the concrete or the lack of a piece of masonry material, the repair may require a substantial product such as Red Devil's 0644 Pre-Mixed Concrete Patch. This product comes in a 1 quart tub and is pre-mixed and ready to use.
It can be difficult to find a product that is strong and fast-curing, but PC Products PC-Concrete Two-Part Epoxy ticks both boxes. This two-part epoxy can fix cracks or anchor metal such as lag bolts and other accessories in concrete, creating three times the strength of the concrete it adheres to. Plus, with a set time of 20 minutes and a cure time of 4 hours, it's ready to lift heavy objects quickly. Filling large cracks, deep depressions, or areas with a lack of material can be difficult with putty or liquid.
Fortunately, Damtite concrete superpatch repair can fix all of those big problems and more. This waterproof patching compound uses a unique, shrink-free formula that can be applied to concrete surfaces in layers from 1 inch thick, up to 3 inches thick. This patch kit comes with 6 pounds of patch powder and 1 pint of liquid additive, so users can mix as much or as little as needed to apply patches or coat concrete surfaces. For reference, one of these containers will cover up to 3 square feet of patio, driveway, or other concrete surfaces in a ¼ inch thick layer.
Users will need to trowel the crevice or to a cracked surface. Depends on material, crack width and temperature. Some fillings dry in less than an hour, while others may take 24 hours or longer to cure. Pour the concrete coating mixture into the crack and smooth it with a rubber floor scraper.
Loosen the edges for the best look. Add water to the repaver mix to get pancake batter consistency for concrete crack filling. Then fill in the rest of the slot and smooth it out. While in some cases a professional is needed to work successfully with concrete, almost anyone can fix cracks in concrete.
In areas where temperatures tend to fluctuate, consider investing in flexible concrete crack fillers that can adapt to hot and cold conditions. If the crack width is one inch wide or more, the crack repair process is slightly different. You definitely don't want to repair these cracks and then spend money on repaving concrete or making decorative coverage. Red Devil adheres well, dries to a light concrete color, and won't shrink or crack, resulting in a long-lasting hold.
Cracks in concrete are caused by lateral expansion, poor drainage conditions, or sedimentation of the soil below the concrete. This repair kit uses polyurethane foam and epoxy to repair cracks up to ½ inch thick in basement foundations and concrete walls. Many of these products are also self-leveling concrete crack fillers, which means users shouldn't have to smooth them out to ensure a uniform finish. This hydraulic cement mix comes in a 4-pound tub and works to repair cracks in masonry, brick walls and concrete surfaces.
Filling concrete cracks in foundations often requires a specially designed product and RadonSeal is a good choice to get the job done. If you are going with a concrete mix or patch (dry or ready-mix) for larger cracks, it is usually best to apply it with a trowel or spatula, pushing the material into the crack and smoothing it on the surface. . .