Boards that can handle rain?


Postby johnheritage » Thu Jun 25, 2009 3:37 pm

Just finished a week long plastering course and forgot to ask if there's any type of boarding I can use (cement or water.res gypsum) to board over a wall outside?

I'm in the UK and the garden wall is a mess. Got lots to do, so rendering it all would take forever - and my arm is already saw after that week.

Is there a board suitable for going on pressure treated battens or dot and dab that can handle rain? What about a skim to go over that?

What should I know about the edges, wicking of moisture from the ground, rain making it's way down the back, moisture under the sides and such?

Thanks!
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Postby bd3cc » Thu Jun 25, 2009 9:40 pm

I think "no" to all of your questions.
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Postby johnheritage » Fri Jun 26, 2009 6:08 pm

[quote="bd3cc"]I think "no" to all of your questions.[/quote]

I think "yes" to all of my questions, it's called cement board - Versapanel / Hardiebacker are two UK examples, I've since discovered.
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Postby ricky68 » Mon Jun 29, 2009 5:53 pm

i think no aswell.i dont thinkl hardibacker is designed for external use,wet rooms only,but i am not 100% on that.why not eml and render
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Postby chris_on_tour2002 » Tue Jul 07, 2009 8:42 am

don't think that you will find any plastering/board materials suitable for this purpose not even cement boards. render is really the only way to go.
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