In article ,
cisco kid wrote:
Hi Everyone - Anyone with advice on the best affordable and durable
material to use for flat roof decking. I have thought about 18mm
plywood but it seems quite expensive and I have been told if water
does manage to seep past the felting then it will swell up and have to
be replaced yet again.

Just about anything other than any form of chipboard.

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*If you lived in your car, you'd be home by now *

Dave Plowman London SW
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