Attaching Solar Panels to a Metal Roof

The electrical side of installing a solar electric system is a pretty straight forward process although when itcomes to the mechanical aspect of attaching solar panels there can be alot of variances based on the type of roof.

One of our customerswas involved with a new home construction project that had a standingseam metal roof. He called us and asked us to design and provide himwith a complete solar electric system that would attach to the metal roof.

The 4.1 kilowatt grid tie solar electric system consisted of 18 Canadian Solar CS6P 230 watt solar panels with an Enphase M190 Micro-inverter behind each solar panel converting the DC power generated by the solar panels into grid compliant AC power.

Attaching the solar panels to the metal roof was easy by combining the UniRacSolarMount Rails with S-5-UClamps made by S-5!. S-5!clamps attach to the seam of a metal roofing by the tightening oftwo “bullet-nosed” stainless steel setscrews against the seam material.

The round point setscrews compress the seam material against the opposite wall of the clamp. The clamps will “dimple” the seam material, but will not penetrate it. Threaded holes in the clamp enable the easyattachment of the UniRacSolarMount Rails to the clamps.

The customer was able toattach the solar panels to the metal roof by taking advantage of the S-5!clamps. The picture above shows the installed solar panels, what doyou think of the outcome of his project?

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