Published at Sunday, December 10th, 2017 - 14:30:52 PM. . By Sara Holder.
Whatever be the reason, cracks in the foundation are very perilous if ignored. Repair must be done as soon as possible. Difficulties involved in the repair process are influenced by how big the cracks are. For tiny moisture created cracks, the repair is relatively simple and can be done by almost anyone. These cracks must first be brushed clean with a wire brush. A jet of water may be passed to remove any loose concrete particles within the crack. The crack is then allowed to dry completely and filled with concrete caulk. If the crack is large, then it is packed with patching materials that are specifically available for concrete. These patching materials must be wet when applied. They are limestone based, and they expand as they dry, filling up the crack completely. The finishing touch is to apply a sealant to the repaired crack.
Exposing Technique: An aggregate in the concrete mix is exposed that gives beautiful finishing to the concrete slab. This is called exposed aggregate technique. This is done in three ways- sand blasting; chemical treatment; water pressure. This technique is used to create unique textured patterns.
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