CAD

Non-metal storm shelters; non-metal air conditioning ducts; non-metal fire-resistant boards and panels for construction; non-metal heating ducts; non-metal shelter structures; non-metal storage sheds; non-metal structures for forming plenums; non-metal vent cover for HVAC ducts; non-metal ventilating ducts; non-metal wall tiles; non-metallic transportable buildings; nonmetallic transportable constructions; construction materials, namely, non-metal piles; portable non-metal buildings