Form-A-Drain is a three-in-one concrete footing form system, foundation drainage system and sub-slab perimeter radon reduction system that stays in place after the footings are poured. The forms ...

Question: I believe I read in ACI 332 that footings are to be a minimum of 2 inches outside the face of the wall sides and the IRC states 4 inches. Which one is right? – Concrete Contractor ...

cuts until soil pulled from underneath the slab tells you the concrete has been breached. Our floor sagging occurred because the post bottoms had rotted and the footings were undersized.