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GAP Mastic Crack Repair

Repairs deeper than one inch are best done in stages or lifts to ensure the aggregate stays suspended and bulking stone can be added to repair as needed.

Fill deep areas of repair with one to two inches of GAP material. Bulking stone can be mixed in with the material to create a more stable repair. Bulking stone should be worked into the product and the lift should be allowed to set before proceeding with next lift or finish.

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