- Mounting the panels : The installers will get started by securing mounting brackets to the roof or the ground (if it’s a floor-mounted process). The panels will then be securely hooked up to these mounts. Some general contractors focus on specified kinds of construction, like renovations or interior fit-outs. https://hectorxfmrx.ktwiki.com/1138972/5_essential_elements_for_plumbing_mep