#1  
Old 10-10-2010, 04:03 AM
Laborer
 
Join Date: Feb 2010
Location: Glasgow
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Default CF Blanket and Render

Hi,

I was hoping some advice for the following problem.

I wrapped my dome in cf blanket yesterday and then coated it with render. I didnt use chicken wire or anything and today when it has dried it has turned kinda brittle and breaks easily when touched. I'm presuming that i will have to take it down and re-lay the blanket using chicken wire?

Or could i get away with putting another coat of thick render on it to try and bulk it up?

Cheers Ross
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  #2  
Old 10-10-2010, 07:53 AM
Laborer
 
Join Date: Feb 2010
Location: Glasgow
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Default Re: CF Blanket and Render

or could i put a coat of concrete on it and would that strenthen it enough?
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Old 10-10-2010, 12:32 PM
Apprentice
 
Join Date: Jul 2010
Location: Jacksonville,Fl
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Default Re: CF Blanket and Render

Be patient. Someone will answer soon enough. You are so close to being done. I envy you. Good luck.

Tom
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Old 10-19-2010, 06:31 AM
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Location: Mesa, AZ
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Default Re: CF Blanket and Render

Chip it off and apply chicken wire first. The blanket isn't a good substrate for a stucco product. The wire gives the stucco something to bind with and also acts as reinforcement. Your final product will be more rigid and you'll get a better finish on it if you go with the wire.
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Old 10-19-2010, 09:46 AM
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Default Re: CF Blanket and Render

Quote:
Chip it off and apply chicken wire first.
Why chip it off? it's there already and removing it will just pull off handfulls of insulation. Unless you have a real space problem, I'd just use what's there as a support for your wire armature (hardware cloth is a lot stronger than chicken wire) and move on.
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Old 10-19-2010, 04:27 PM
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Default Re: CF Blanket and Render

Good point. The thought of pouring concrete on an bad subtrate sounded not too nifty. I like your idea of putting a stronger lath over it and recoating better than chipping it off.
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