[RE-wrenches] Bi-facial optimum site

[Dana Orzel]

Bill ,

The last look I took at Bifacial suggested that the optimal material was/is the "California" white I think EDPM type material pardon my memory on the material name.
Smooth, cleanable, long lasting, expanded & contracted well, easy to waterproof around contact points, pretty bomber material. No Idea on cost this was 12+ or more years ago, look for the old Solyndra PV advertisements they discussed this material as the optimal roof surface.

I have considered bifacial for pole/ground mounts here ID. Has anyone tested or have Beta for improved winter performance?

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From: Bill Battagin via RE-wrenches <re-wrenches at lists.re-wrenches.org>
Subject: [RE-wrenches] Bi-facial optimum site
Date: Sun, 21 Dec 2025 01:40:46 +0000
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