DA4734C Series Door Window Awning Canopy Made of 0.137 Inch Thick Crystal Solid Polycarbonate Sheet W2205P180057GarLUGH DA4734C Series door window awning canopy uses 0. 137" 3. 5mm thick virtually solid polycarbonate panel with UPF80+ Ultraviolet ray protection. The awning was tested independently proving to be capable of affording the loading over 350lbs. HEAVY DUTY BRACKETSThe brackets of awning are made of die cut 1061 engineered Aluminum with hardness processing and oxidation finishing. The material are rust resistant and capable of providing strong,