The thicker EPS panels allow the R30 blocks to switch to longer web spacing allowing them to maintain their market leading form capacity strength. fully reversible FormLock™ interlocking system with a depth of 1” (25mm) provides superior connection strength between blocks while allowing for a fast and easy installation. Webs have built-in clips which can hold two courses of reinforcing steel greatly reducing the need for additional tying. A wide range of available forms and core sizes allows for limitless design possibilities. Amvic ICF is manufactured with over 60% recycled materials (by weight) while keeping construction waste to a minimum (>1%).