Lightweight alternatives
If people are considering up level from Coroplast, they should go back to the sign company supply stores and look at different lightweight substrates. There are expanded PVC foam sheets (Sintra, Komatex, Celtec, etc) that is more durable, easily cut & routed and could even be heat-formed (possibly detrimental for Sunbelt ecomodders). If you want even more strength, the next level is aluminum-bonded/PVC panels (D-Lite, Alupanel, Alumalite, etc.)
Hopefully to create more 'permanent' installations...make sure, drain holes.
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