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Forums > Green Building Technologies > Insulating Concrete Forms (ICFs) > Subject: Water Barrier

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OKBlockerUser is Offline
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Posts:635
06/22/2001 9:53 PM  
We have always used felt paper for a water barrier when using Dug-Fur for buck material.

I know Ian G. has used the "peal-and-stick" membrane for the same effect.

Do you think we could use a simple coating of Thompson's Water Repellant product to achieve the same effect?

I had a home owner ask and I didn't have the answer. What's your opinion on this guys?
seflpolystUser is Offline
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Posts:147
06/23/2001 9:25 AM  
i would suggest to see if the applicable building code allows it.
Ian ICF BuildersUser is Offline
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Posts:612
06/23/2001 10:24 PM  
No. Thompson's doesn't create a membrane..it is a "paint". The wood may still crack and check, leaving plenty of leeway for the beginnings of rot and mildew. Don't ignore the possibility of sweating behind the wood buck since the concrete should in theory maintain a smaller temperature fluctuation range. For the money, I'd go with the treated wood, vinyl, or wrap the untreated with a membrane.
markrossUser is Offline
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Posts:1035
06/25/2001 5:26 PM  
Why use wood? We don't. This seems to eliminate this problem.



Mark Ross
"Le Canuck"
Ian ICF BuildersUser is Offline
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Posts:612
06/25/2001 8:06 PM  
We use wood when the customer says to use wood. We don't refuse to install ICF because the customer chooses wood bucks.
icfdesignUser is Offline
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Posts:195
06/26/2001 12:50 AM  
When using the peel n stick membrane, do you use any other adhesive or does the glue base on the peel n stick hold okay?
Ian ICF BuildersUser is Offline
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Posts:612
06/26/2001 8:04 AM  
The membrane usually sticks by itself without the use of primer. We sometimes use staples along the edges (not in the center where the concrete would be).
markrossUser is Offline
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Posts:1035
06/26/2001 3:37 PM  
Ian:

We dont use wood, because we explain and show the customers how they can benifit both cost wise and quality wise by removing the wood from the equation.

Mark Ross
"Le Canuck"
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Forums > Green Building Technologies > Insulating Concrete Forms (ICFs) > Water Barrier


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