Profile: Northwest Roof Tile & Metal, LLC specializes in distributing roofing materials. Our products include fine clay roof tile, metal roofing systems, custom made metal roofing systems and underlayments. Metal roofing includes standing seam, mechanical seam, structural standing and exposed fastner systems. 1.75 inch snaplock with integrated clip utilizes a fixed or floating clip for attachment. This 1.75 inch rib panel is structural and can be installed over a solid plywood deck or over open purlins spaced no more than 4 inches apart. These panels are ideal for industries, commercial and resdential use. Architectural metal roofing products include standing seam and screw down panels.