#1  
Old 11-04-2012, 12:07 AM
Serf
 
Join Date: Jul 2012
Location: New Zealand
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Default Uneven insulation pad

I have poured a 4 inch vermiculite pad, I leveled it off and have left it for four days.
It seemed to have settled more in some places than others.
Would I be better to put a thin skim of cement/vermiculite across it to level it out or have a thicker leveling medium of fireclay and sand. (how thick can this be?)
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  #2  
Old 11-04-2012, 01:13 AM
Laurentius's Avatar
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Join Date: Nov 2010
Location: Japan
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Default Re: Uneven insulation pad

Are you placing ceramic board atop that?
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Old 11-04-2012, 01:46 AM
Serf
 
Join Date: Jul 2012
Location: New Zealand
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Default Re: Uneven insulation pad

Nope, was planning on the leveling medium then the fire brick base, costs are starting to get out of control.
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Old 11-04-2012, 03:02 AM
Laurentius's Avatar
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Default Re: Uneven insulation pad

I would go with more vcrete, since its not as efficient as ceramic board.
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