Non-metal construction elements, namely, plastic formwork for pouring concrete for foundations, ventilated crawl spaces and/or sub-floor hollow structures; Non-metal forms for use in casting; Non-metal forming systems for concrete and other curable construction materials comprised of non-metal modular casting forms; Construction elements not made of metal, namely, supports; Non-metal structural supports used to support a slab and floors; Non-metal structural supports used to provide a shape and structural characteristics to slabs and floors; Non-metal structural supports for slabs and floors
Nonmetallic Building Materials