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CAN CRACK SEALING PRECEDE A SEAL COAT OR HOT MIX OVERLAY?

April 26, 2017coat crack hot mix overlay precede seal sealing

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CAN CRACK SEALING PRECEDE A SEAL COAT OR HOT MIX OVERLAY?

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Will crack seal material have a negative reaction with the new surface material? Crack sealing prior to rehabilitation is a good idea. The majority of complaints concerning crack sealer problems arise when an excess of material is left on the surface of the pavement either due to overfilling or expansion of the sealant. The best method to treat cracks is to route a vessel 5/8″ x 5/8″ or 3/4″ x 3/4″ and use a modified joint sealer, using care not to overfill the joint. The top of the sealant should be left about 1/8″ to 1/4″ below the top of the crack.