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8mm Corrugated Plastic (a.k.a. Coro)
PVC (a.k.a. Poly)
We recommend corrugated plastic sign panels over any other sign material available today.
Coro panels are durable, inexpensive, and light weight (saves on shipping). They don't warp
or swell from moisture like duron (pressed board), and do not dent or scratch like steel sign panels.
Coro is available in either 4mm (3/16") or 8mm (7/16") thickness. The popularity of Coro has
prompted other sign companies to offer a corrugated plastic panel. DON'T BE CONFUSED BY
IMITATIONS! They are usually made on a much thinner 4mm or 6mm grade and won't hold up to
the rigors that your real estate signs must endure.