Put on a latex or latex-substitute glove. Complete one section of about 1 to 2 feet before moving onto the next section. Generally, though, the filler will sit on the surface (in the next step, you will press it in). Try to press as much filler into the crack with the filler bottle as possible. Be sure to remove all loose debris, especially around the edges. Using a scraping device such as an old screwdriver or nail, scrape out the crack. Dry out the crack and the surrounding area with a heat gun. Use either a nylon brush or metal wire brush, along with TSP cleaning solution. Thoroughly clean out the crack and about 1 or 2 inches beyond the crack.
It should be done by foundation repair technicians. While this is a highly effective method, it is not a do-it-yourself project. After 24 to 48 hours, the epoxy is chipped away and the ports are cut or broken off of the wall.With the ports capped off, the epoxy adhesive acts as a shield to force the bonding agent into the crack. An epoxy or urethane bonding agent is slowly inserted into the crack, starting from the bottom port and working up to the top.An epoxy adhesive is spread over and beyond the crack, leaving the port tops exposed.The ports are sealed to the concrete with epoxy paste.Plastic injection ports are inserted into the crack every 4 to 6 inches.The aim is to bond the concrete together again, as well as prevent water from seeping through. Structural Concrete Wall RepairsĬoncrete walls that need to be structurally sound can be repaired with a low-pressure crack injection method. It will help to prevent the edges of the crack from further chipping away, but it will not prevent the wall from cracking or splitting apart. This compound can usually be painted over with latex-based paint if desired.Įasy, inexpensive, and do-it-yourself-friendly, the main purpose of this concrete repair is to block water from seeping into the basement. The compound is squirted into the crack with a bottle or forced into the crack with a putty knife.Ĭracks up to 1/2-inch wide and 1/4-inch deep, either interior or exterior, can be repaired this way. Non-Structural Concrete Wall RepairsĬracks in concrete walls can be repaired with a liquid or paste elastomeric compound.
#Have to.disclose concrete slab crack repair Patch#
Structural repairs patch the wall together again so that it is as strong or even stronger than its original condition. Non-structural repairs, the focus of this guide, rehab the appearance of the concrete wall, prevent moisture infiltration, and slow further cracking. Structurally bonds the concrete to like-new condition prevents water infiltrationġ-3 hours to apply several days total working timeīasement wall crack repairs fall into either of two categories: non-structural or structural repairs. Uses a system of injection ports for epoxy or urethane bonding agent
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