2-Post Lift Concrete Requirements: Thickness, PSI, Specs
Bottom line: 4 inches of 3,000 PSI concrete, cured 28 days, with no cracks or post-tension cables in the anchor footprint is the typical minimum for a 10,000 lb 2-post lift. Heavier capacities push that to 4.25 or 4.75 inches. This guide walks through the four numbers that actually matter, how to check your existing slab, ranked fixes when the spec falls short, and the anchor-torque step nobody talks about loudly enough.