Felt roof coverings; Fitted swimming pool covers; High performance fabric covers for use in protecting window and door openings during storms; Interlocking plastic tiles for use as a ground cover; Manhole covers, not of metal; Modular non-metal structures with flexible covers for agricultural, commercial or industrial storage; Modular plastic decking to serve as a ground cover; Non-luminous, non-mechanical and non-metal covers for fences, barriers and/or facades; Non-metal coverings for ceilings; Non-metal coverings for wooden decks to extend the life of the deck; Non-metal manhole covers; Non-metal roof coverings; Non-metal vent cover for HVAC ducts; Non-metal vent covers for roof deck protrusions, drains and pitch pans; Prefabricated non-metal structures with flexible covers for agricultural, commercial or industrial storage; Roof coverings, not of metal