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How thick does a garage floor slab need to be to be leveled?

Most residential garage slabs are 4 inches thick, which is sufficient for polyurethane foam injection. Slabs thinner than 3 inches may not support the drill bit and injection port without risking surface fracture. The technician will tap-test the slab to confirm integrity and check for voids before proceeding.

Scaldino Basement Solutions proudly serves New Jersey and Staten Island families with expert waterproofing, foundation repair, and crawl space solutions. For over 20 years, we've transformed wet basements into safe, healthy living spaces. Your family's safety is our priority.

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