from Greg in Madison, WI:
#860
I am installing a metal roof on my barn. I want to consider installing solar panels on the roof sometime in the future. How do solar panels attach to a metal roof? Should my furring strips (2x4s) be a certain distance apart for panel installation purposes?
The most popular attachment method uses clamps.
The most popular method for installing solar panels to a metal roof uses clamps. Clamping systems secure framed photovoltaic modules to standing seam metal roof systems without penetrating the roof surface. It is important to watch for differential expansion of metal as the modules, racking, and metal roof expand and contract as temperatures change during the day and year.
With regards to the furring strips, build the roof as appropriate for a metal roof with extra loading for a solar electric system, snow build up, and wind loading. We recommend that you connect with an expert to equivalent and ensure that the roof structure is appropriate. Visit finditwithfocus.com to find a provider in your area or call 800.762.7077 for additional assistance.
Published Wednesday, August 18, 2010