we'll produce a coal tar sealer. If they want an asphalt-based sealer we'll produce that for them." Manufacturers agree that the first thing contractors need to realize is that 100% asphalt-based ...

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of sealer," Dubey says. Dubey says that when properly cared for both asphalt-based sealer and coal-tar-based sealer will last the winter and can be used the next season. "Even spoiled sealer that ...