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Showing results for tags 'watre resistance'.
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Slowly the specification for our roof is emerging from the mist that seems to swirl around at that level. It has been suggested ( in the words of the architect, ' ... or similar...') that we use 11 mm OSB3 and 6 mm cement board. That's easy I thought, look up what it costs on Tinternet and buy some. Well Stanley, here's Another Nice Mess (steep learning curve) I've Gotten Myself Into. Partly caused by the usefully ambiguous architect's phrase 'or similar' 2 hours in to digging around on YT, Google and other murky bits of the Internet I realise; OSB3 is water resistant - but what does that mean (it needs covering during boarding if it rains) OSB3 ' ...or similar...' could mean what? cement board can also be waterproof or water resistant : have you seen how many types of cement board there are! Which should I get? I have learned the hard way that architect's specify top-performance stuff. OK, fair enough. Could you help me specify something sensible in terms of 11mm OSB3 or something with the same performance, and suggest a sensible 6mm cement board, please? Yours, Semi - Irritated of Lancaster.
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- cement board
- roofing
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