Tri-State has been pouring large-format slab-on-grade concrete since 1987. Whether the spec calls for an FF/FL-rated warehouse floor, a heavy-duty distribution pad, or a polished retail surface, our crews bring the equipment, the engineering coordination, and the ACI-certified finishers to deliver a slab that lasts.
We've poured single-day placements ranging from a few thousand square feet up to large-scale industrial pours, with control joint planning, vapor barrier integration, and base prep coordination handled in-house through our BIM and field teams.
Self-performed, finished by hand, measured against spec.
Slab-on-grade is the bread and butter of what we do. A few of the project types we run regularly.
FF/FL-rated slabs for high-rack and automated warehouse environments, sized for forklift and pallet loading.
Full-store flatwork for grocery, wholesale club, and big-box retail — including the surrounding parking field where required.
Heavy-duty floors for manufacturing facilities, processing plants, and equipment pads with embed and trench coordination.
Ground-floor slabs for healthcare, education, and civic buildings where finish tolerances matter.
Topping pours over plaza decks, parking podiums, and structural systems where finish and elevation tolerances are tight.
Approaches, walks, ramps, ADA pads, and site flatwork tied to the building scope under a single subcontract.
The full sequence from compacted base to sealed slab is in-house. Here's what we typically self-perform on a flatwork scope:
Camden, NJ · Holtec
Reinforced SOG plus grade beams and pile caps.
Philadelphia, PA · Philaport
Pile caps, foundations, structural reinforced slab on grade.
Princeton, NJ · Princeton University
Foundations, SOG, topping slab.