Details Renusol : 420402PV on-roof mounting system for trapezoidal metal sheet roofs of aluminium (thickness between 0.5mm and 1.5mm) and steel (thickness between 0.4mm and 1.25mm). Ideal for affixing solar PV systems on standing seam roofs (previously 420132) Key Features: Material: Stainless steel, aluminium & EPDM Module Pitch: Parallel to roof Roof Pitch: Minimum 5° - Maximum 45°