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Crack Sealing. Why?


Water is the most destructive element to our pavements. You need to prevent water intrusion into your pavements. Filling or sealing pavement cracks to prevent water from entering the base and sub-grade will extend pavement life. When water is kept out, pavement deterioration is slowed.


Cracks should be prepared to receive the sealants. The sealant will have a better chance to perform properly if the cracks are routed prior to sealing. Routing the cracks involves cutting a reservoir (Typically ½” by ½”) above the crack which allows an adequate space for sealant expansion and contraction. The reservoir also ensures that the proper amount of sealant penetrates the crack. After routing the cracks will be cleaned. This is accomplished with compressed air. The sealant should have a clean and dry bonding surface.


Once cleaned, the cracks are filled with hot pour type sealant. These sealants come in a square block and are put into a melter. Once melted the sealants are applied through a delivery hose and wand. Depending on the daytime temperature the sealant should be set up enough to drive over in 30 to 45 minutes.

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