Building materials, namely, manufactured cement, marble, stone, veneer for use on floors, walls, exterior surfaces; Cementitious material for building purposes; Crash barriers not of metal; Modular plastic decking to serve as a ground cover; Non-metal coverings for wooden decks to extend the life of the deck; Non-metal window screens; Patches for repairing drywall; Sand bags; Waterproofing membranes for roofing, floors and walls; Wood trim