Through years of research, I have concluded that the majority of sealcoating failures (e.g. premature wear, flaking, and peeling) happen due to bonding problems between the sealcoating and pavement surface. While sealcoating manufacturers are meticulous in detailing the aspects of material and surface preparation prior to sealcoating and urge the applicators to comply, it’s still not always possible to cover everything considering the myriad of pavement types, ages and conditions. In this article, we will review the causative factors and remedies that are practiced as good sealcoating practices. The #1 rule in most sealcoating rulebooks is that the pavement should be clean – free of dirt and debris, free of surface defects, and suitable for sealcoating.
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