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Concrete Repair

Spalling Concrete Repair

Spalling concrete is were the top layer of the concrete is breaking off. In San Antonio, the most common cause for spalling concrete is because the rebar was improperly placed during construction. If the rebar is not sufficiently covered by concrete, water will easily reach the rebar causing it to corrode. When the rebar corrodes it will expand causing a weak spot in the concrete. To repair spalling concrete, we will break out all of the weak concrete and place a low-shrinkage repair mortar. 

Concrete Crack Repair

Concrete crack repair will help pro-long the life of the concrete. If cracks in concrete go untreated, water will be able to seep through the crack and weaken the sub-base holding the concrete. Once this is allowed to happen, sections of the concrete will start to sink and cause tripping hazards.

Expansion Joint Repair

Expansion joints allow two different concrete sections to expand and move. Some of the gaps between the two concrete sections are 1/2” wide. If these are left unsealed, water will be able to penetrate and weaken the sub- base just like a crack does. Often times there is rebar holding the two slabs together to prevent one slab from sinking, if water is able to reach the rebar it will corrode causing the concrete to spall and if it corrodes enough it will not protect it from sinking. Expansion joint sealing will prevent water from reaching the sub-base and rebar, and also will help prevent weeds from growing in-between the two slabs. 
Contact Information: 
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405 N. St. Mary’s St., Suite 242  San Antonio, TX 78240 Phone: (210) 422-6116 Email: mvlconcrete@yahoo.com 
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MVL Concrete’s Services
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