Racked panels need 1/4" lag bolts to resist uplift. Good luck if you miss the rafter. The sweet spot is down between the standing seams.
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https://roofingmagazine.com › flexible-solar-panel-for-standing-seam-metal-roofs
Flexible Solar Panel for Standing Seam Metal Roofs - Roofing
21 Jun 2021Sunflare offers PowerFit 20, a solar panel that is designed to be practically invisible on standing seam metal roofs. It is a light, thin, flexible solar panel that is custom fit to sit between the seams of the roof. Each PowerFit panel is 60 watts and can be seamlessly connected to cover whatever length the roof demands.
https://www.finehomebuilding.com › 2022 › 06 › 13 › nearly-invisible-solar-panels-for-standing-seam-metal-roofs
Nearly Invisible Solar Panels for Standing-Seam Metal Roofs
13 Jun 2022The PowerFit 20 from Sunflare provides green energy, an easy installation option for metal roofs, and an improved aesthetic. By Asa Christiana A superthin new solar panel from Sunflare sits between the seams of standing-seam metal roofs, offering a much more aesthetically pleasing solution to photovoltaic (PV) power.
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https://www.sunflaresolar.com
They can put their panels on teardrop trailers.