... in advance, balance paid before delivery4. Engineering specificationsInstallation Site: ground, Flat / Tilt roof, Tile roof, Vitreous tile, any suitable areaInstallation ... : Horizontal / VerticalApplicable Module: Any brand of PV solar power panel moduleColor: Natural, Silver, Gray, or CustomizedFrame material: Hot-dipped ... NZS 1170 or any other International standard color-steel panel roof mount