Wide cracks in concrete can be a real eyesore, but they can also be a hazard if left unrepaired. Fortunately, there are a variety of products available to help you patch and seal these cracks. From epoxy compounds to self-leveling sealants, there is something for every job. For small cracks, latex patch material or mortar mixes are suitable.
For larger cracks, Sikaflex self-leveling sealant is a great option. This product can fill spaces up to 1½ inches wide on horizontal surfaces such as floors, hallways and patios. It remains flexible and completely submersible, making it suitable for repairs to swimming pools or other areas exposed to water. For larger cracks or chipped edges, PC Products PC-Concrete Two-Part Epoxy is a great choice.
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. For filling large cracks, deep depressions, or areas with a lack of material, Damtite concrete superpatch repair is an excellent option. 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.
When dealing with a large crack in the concrete or the lack of a piece of masonry material, Red Devil's 0644 Pre-Mixed Concrete Patch is an ideal solution. This product comes in a 1 quart tub and is pre-mixed and ready to use. Finally, for areas where temperatures tend to fluctuate, consider investing in flexible concrete crack fillers that can adapt to hot and cold conditions. RadonSeal is a good choice for filling concrete cracks in foundations.