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In-depth technical guides on mitigating reflective cracking, protecting new overlays, installing asphaltic plug bridge joints, and sealing concrete slabs in extreme desert conditions.

Concrete Slab Crack SealingPreventing Cracks
24 Oct 2026Marathon Sealing Technical Team

Concrete Slab Crack Sealing

Routing and/or grinding of the existing crack to create a reservoir approx. 5 mm more than the proportional width of the crack for the sealant settlement to ensure sealant won’t pop out of the crack after application. Once opened, the area and inside shall be cleaned thoroughly by either manually such as normal or metal brush, sweeping, or compressed air.