Basement Concrete Foundation Repair
Basement Concrete Foundation Repair and Maintenance There are several things you should know about the repair and maintenance of basement concrete foundation. Basement foundation damage can be caused by building on expansive clay, improperly compacted fill soils, or due to improper maintenance around the foundations. The settlement can destroy the structures, and also render them unsafe. Therefore, if there are problems with the foundation, you should immediately contact a foundation repair professional. Signs of Foundation Failure You should be careful to notice any signs of foundation failure around your home. Homes built on expansive soil can suffer from foundation distress. The problems occur when the foundation settles causing cracks and other damages such as bulging floors, cracked walls, and doors that don’t close or open smoothly. The foundation settlement occurs when there are differences in soil moisture. Settlement cracks are vertical. As a homeowner, you need to be aware of the following warning signs of foundation settlement: wall rotation, displaced moldings, cracked bricks, separation around garage door, windows or walls, cracks in the floor, misaligned doors and windows. Cause of Foundation Settlement There is one typical cause of foundation settlement: soil. Those soil types which are highest in clay content are more susceptible to foundation settlement. When unstable soils are used as a base for a foundation, the tendency for movement is transmitted to the foundation. Since soil movement is rarely uniform, the foundation is subjected to a differential or upheaval. The problem shows up in slab, as well as pier and beam type foundations. If the soil below the foundation swells evenly or uniformly, then foundation settlement wouldn’t be a headache for homeowners. The problems of settlement begin when only part of the slab settles. Tripping hazards, rough floors, poor drainage system may also result from concrete slab settlement. Liquid Concrete Repair (LCR) If you have settlement problems, liquid concrete repair may be your solution. Liquid concrete repair system is an epoxy injection system used to permanently repair basement water leaks as a result of concrete foundation leaks and cracks. LCR kits contain epoxy injection cartridges, two tubs of epoxy crack sealer, and injection ports. LCR kits also include enough material to repair an eight-foot long foundation crack Techniques to Repair Sunken Concrete Sunken concrete is another issue. Past techniques for repair of sunken concrete have proved to be futile. However, today, you can do the repairs without all the hassle. Currently there are trained experts and technology to solve the problem of sunken concrete. The most common methods used to repair are slab-jacking – where the grout is pumped beneath a slab or a beam to produce a lifting force that restores the slab to its original elevation. The other technique is known as hydraulic jacking or piering – this method is applied according to the type of distress being treated. With the piering method, steel posts are driven through unstable soil and hydraulic jacks are used to stabilize concrete slabs affected by changes in the underlying soil. This is only part of the article Read the full article here...
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