Doug Silicon Energy in Washington makes a bomb proof module that is spendy, but would hold up at $4.75/watt (comes with mounting frame). There is no frame on the lower and upper edge which helps snow slide off and they are laminated with thick Sentry glass by Dupont which is typically used for hurrican and bullet proof glass. We tested one with 3600 lbs of sand bags on it and 6 guys jumping up and down on it before we finally broke it. They have an interesting frame that contains the wiring and is accessible from the front. I also agree that a steeper angle and somewhere for the snow to pile up is essential.
www.silicon-energy.com or call Mike Farrell mfarr...@silicon-energy.com supp...@silicon-energy.com (360)539-1851 cell (425) 319-2780 Bill Bill Hoffer PE NABCEP Certified Solar PV Installer™ Sunergy Engineering Services PLLC 2504 Columbia Ave NW East Wenatchee WA 98802-3941 suneng...@gmail.com (509)470-7762 Cell(509)679-6165
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