Plywood backing to mirrors.?

[breckjensen]

Hi,

While there is a limit to how big a span of 1/4" glass you could hang unframed/unbacked, do we really need that plywood backing? Wind and abrasion from particles behind the mirror are the two things I can think of - but I'm no glass engineer for sure. THoughts?

I didn't find the right solution from the internet.

References: https://www.chronofhorse.com/forum/foru ... to-mirrors

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