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GAP Mastic Crack Repair

Preparing the pavement with heat dries it where necessary, softens the asphalt binder, and exposes fresh binder with which the sealant can bond.

Especially if the pavement is wet, an optional procedure is to use a heat lance or hot-air lance to heat/dry the pavement. However, the heat lance/hot-air lance operator must be careful not to burn the pavement, which will deplete the oils necessary for flexibility and cause even more damage.

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