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Hybrid solar panel (photovoltaic and thermal)

Step 7Insulating the backside

Insulating the backside
Photo 1: Insulated backside. I just glued some Styrofoam to the back using silicone caulk.

Photo 2: detail, I tried to keep it as weather tight as possible.  The electrical cables go through a hole in the aluminum frame and there is plenty of caulk to keep things in place.
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