Wafflemat Foundation System is the world’s leading foundation system for building on expansive, compressible, collapsible, an ... d rocky soils, with millions of square feet of residential and light commercial space built across the United States since 1993 – all without a single structural failure. It is also one of the easiest, and in terms of cycle time, fastest to construct, taking 4 – 5 days vs. 10 – 14 for alternative slabs. Wafflemat Systems conforms to both International Building Code and Post Tension Institute specifications. read more