CLOSED WALL SYSTEM

Construction and installation of pre-fabricated panel systems comprising framing of light gauge steel, insulation, cladding, and mechanical, electrical, and plumbing equipment, for use in residential building construction; Construction and installation of floor cassettes and roof cassettes; Residential building construction; Installation of pre-fabricated residential building home materials and equipment

Pre-fabricated panel systems comprising framing of light gauge steel, insulation, cladding, and mechanical, electrical, and plumbing equipment, made substantially of metal and sold together for use in residential building construction; Floor cassettes; Roof cassettes; Metallic panels for use in residential building construction; Pre-fabricated residential buildings made substantially of metal