Trapezoidal Pitched Tin Roof Solar Racking Brackets/Mounts SystemThe Wanhos Trapezoidal Tin Roof Mounting System is a simple, compact, and cost effective pitched roof solution for mounting PV modules to trapezoidal sheet metal roofs.It has been developed to easily install PV modules on steel trapezoidal sheet metal roofs. Is compatible with all widely used sheet metal roofs 26-gauge or thicker with flat trapezoidal peaks at least ¾" in width and includes proprietary "one size fits all" clamps for all module thicknesses ranging between 30-50 mm.Fastens directly to sheet metal thereby eliminating the need for long rails and attachments to purlins or rafters. EPDM gaskets pre-assembled under all clamp bases and fasteners for double protection from leaks and third-party waterproof tested for assurance.One-size end and mid clamps fit all commonly used modules to simplify inventory. Pre-assembled clamps allow for quick installation.Self-piercing/self-tapping screws with hardened tips to eliminate drilling.  All stainless steel and aluminum construction ensures reliability and longevity. Compact packaging to reduce shipping costs