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Old 2nd December 2021, 19:06
Mitchelkitman Mitchelkitman is offline
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Thanks for your comments lucky. With your experience of GRP, do you consider a horizontal flat panel of the roof with a total of 1200 gsm chopped strand mat would sag over time? If so, maybe adding 5mm nidaplast honeycomb reinforcement and 450 mm layer under may stop it sagging? roughly 1m x 0.8m panel? I'll be grateful for your opinion.
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