How do I bathroom / kitchen / extension? etc.

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dbr

Anyone done a retrospective, instant, tray based sedum roof on a flat extension?

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NotThamesWater in reply to @dbr

Out neighbours did.

Then they took it down, because their ceiling was bowing.

For one brief moment, it looked great.

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dbr in reply to @NotThamesWater

😂

I’m pretty sure our one year old roof will cope, 150mm PIR on 200x75 joists. It’s the fibreglass on 12mm OSB & firings I’m slightly worried about. That said I can walk on it fine so I can’t see a distributed load like that being a problem.

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