Concrete repair is one way to prolong the life of your concrete. Over time, hardened concrete will eventually lose the ability to hold the concrete materials together. Concrete repair is the method used to restore cracked, chipped or crumbling concrete. To repair larger cracks or holes, make a batch of Epoxy Concrete Repair Mortar, which you can even buy in small buckets.
Mixing is easy, take some of part A with the same volume of part B and mix them by hand or with a trowel. With any concrete repair, take note of this lesson and you'll be off to a good start. First find out what has caused the damage, make the necessary preparations to remove the unusable concrete and contamination, and then install a repair designed to solve the problem. The worst thing you can do is to make a repair that won't last.
Someone once told me that more than 50 percent of concrete repairs fail again within two years. That is not a track record that inspires confidence. A large diagonal crack through a concrete beam is serious and means it's time to call an engineer, don't take responsibility for structural work unless you know what you're doing. He uses an epoxy crack filler (Epoxymix- Crack Repair MV) in a caulking tube to fill small cracks, forcing it into the crack to seal it and prevent water seeping into the concrete.
He continues: "but deterioration or extent of damage may not be the only criteria for making a decision. Step 1 Clean the surface of the damaged area by removing any loose material, such as dirt, oil or grease, and unusable or flaking concrete. If you do the above four things, concrete resurfacing repair should last a long time. Restoration essentially involves maintaining the already settled and still viable sub-base, and applying an engineered epoxy concrete alternative as the repair or new top coat.
Although the composition of concrete has not changed dramatically over the last 20 years, repair products have. Concrete repair is not necessarily an easy job to do, due to the different types and sizes of damage and also the possible causes of damage. It is useful to know that you should repair concrete if there is a crack that could allow water access under the pad or if it poses a tripping hazard. Most repair materials today are polymer modified concrete, which means that the basic material is a mixture of Portland cement and aggregate to which a polymer (usually latex) is added.
The industry trend is to replace the concrete quickly before exploring alternatives, although in the vast majority of cases, concrete damage can be restored. Clearance can be an issue if the repair involves pouring a layer of cement over the existing concrete. However, Layne says that the decision to repair or replace the concrete depends on the extent of the damage and must be determined on a case-by-case basis.