I believe the opposite may be true, still check me on this - I believe latex acrylic formulation will breath well - all you have to do is paint it with acrylic - do not create situations of puddleing - the idea is to run the water off -here in the desert there is night time condensation so you definately want to run the water off - lime holds water and can create huge problems with papercrete - Clyde
From: liberty1_27606 <liberty1@gmail.com>
To: papercreters@yahoogroups.com
Sent: Thursday, August 9, 2012 4:01 PM
Subject: [papercreters] Re: Exterior covering
Leah,
This is a difficult question. It sounds like it would be a good idea to put a waterproof cover over it. But if you do, the waterproof cover will hold any moisture inside the papercrete and it will mold, mildew, etc.
One approach is something like a lime plaster that will allow the moisture to pass through it. Unfortunately, you will have to re-apply every year or two.
Another approach is to put furring strips every foot or so to hold the covering away from the papercrete. Leave an opening at the top and bottom so air can circulate. I have not been able to think of an inexpensive way to do this.
I believe that oil based paints allow moisture to pass thru. Oil based paints cost more than latex, but it lasts longer when used on wood. If it will stick to papercrete and allow the papercrete to "breathe", it might be worth it.
Anyone with experience with any of these?
Bobby
--- In papercreters@yahoogroups.com, "Leah" <tweetinleah@...> wrote:
>
> What is an inexpensive way to cover the outside of my house. I was thinking some kind of plastering, but I am lost.
> Thanks for any help.
>
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