PandaSolar Asphalt Roof Mounting System use the solar hook as fixed component which avoid the harm for roof.  The solar hook is suitable for installing solar panels on asphalt shingle tile roofs. Name: Asphalt Roof Mounting System Brand: PandaSolar Item: PD-TRS-14 Product Origin: Fujian, China Material: SUS304 Warranty: 12years Duration: 25years Shipping Port: XiaMen Port Lead Time: 7-15 days Max Wind Speed: 60m/s Max Snow Load: 1.4kn/㎡ Standard:AS/NZS1170/JISC8955:2017.