Safe the rails into the mounts: Lower the rails (generally known as strut channels) to length if needed, so they are capable to support all of the solar panels in the array. Secure the rails to your mounts using the screws which include the racking method. Solar panels on roofs https://bluetechsolarcell.com/solar-cell-%e0%b8%81%e0%b8%b1%e0%b8%9a-solar-rooftop-%e0%b9%81%e0%b8%95%e0%b8%81%e0%b8%95%e0%b9%88%e0%b8%b2%e0%b8%87%e0%b8%81%e0%b8%b1%e0%b8%99%e0%b8%ad%e0%b8%a2%e0%b9%88%e0%b8%b2%e0%b8%87%e0%b9%84%e0%b8%a3/