Daox - the mirrors are 1/8" glass mirror tiles, like they used for 'mirror walls' in the 70's!
Xringer - I live in south central Manitoba, Canada. The dish is currently well sheltered from the north wind, which is my biggest concern in these parts. The mirrors could see a bit of snow load, not much problem with ice storms tho.. I want these things solid on the dish so I can brush the snow off them without messing up the alignment.
1/4" plywood may work, covered with a liberal coating of barn paint to seal it?
Xringer - btw, love your Solar Tracker Project thread...
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