If you have a crack in your foundation, this could be causing a number of problems for you including leaks in your basement. Cracks in foundation need to be dealt with in a proactive manner to avoid having problems become worse. Fortunately, resolving a crack in your concrete foundation does not have to be difficult, messy or expensive if you are able to use concrete crack injection.
Choosing Concrete Crack Injection
Concrete crack injection can be used on the majority of cracks in basement foundations. Concrete crack injection is a better alternative to replacing or rebuilding because it is significantly less labor intensive, less expensive and less destructive to the foundation as a whole. With crack injection, your existing foundation stays exactly where it is and you simply fill in the crack that is causing problems or letting the water in.
Concrete crack injection is done by professional basement waterproofing companies and basement repair companies that have the tools, machinery and know-how to fill in basement cracks. If you choose the right company that has experience and a good reputation in the field, your crack injection can be a long-term and even permanent fix.
How Does Concrete Crack Injection Work?
Concrete crack injection involves using a polyurethane solution made up of urethane epoxy solution. The polyurethane material that is injected into the crack in your foundation has a 40 to 1 positive expansion ratio. This means that once injected into the crack, the material expands to fill the space fully and to completely seal the crack so it your foundation is just as solid and as tight as if no crack had ever occurred.
When you hire a company for concrete crack injection, the first step that is normally done is the area where the crack is gets covered by a special temporary surface bond. This will ensure that the polyurethane material that is injected into the crack doesn't seep out but instead stays inside the cracked area, expanding and filling the crack completely.
After the surface bond has been applied, a drill is used to make angled holes for the polyurethane material to be injected into. Holes are drilled all along the crack, approximately every 12 inches so that the polyurethane material can be injected throughout and fill the crack completely. Ports are used on the holes to allow an injection machine to insert the polyurethane material into the crack.
The polyurethane injection into the crack begins at the port on the bottom hole and then the basement repair professionals will work upward, injecting polyurethane into each drilled hole until you get to the top. This ensures that none of the material exits or is forced out.
Once the material has been completely injected into the crack at all ports on the holes that were drilled, the material needs to sit for between 24 and 48 hours. At this time, the ports and temporary surface bond can be removed and you can reveal the completely filled-in crack in your new-and-improved foundation.
Keywords: Concrete Crack Injection, foundation crack repairs, vapor barrier crawl space
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