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#1
05-08-2010, 08:09 AM
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 "Micafil" block fill vermiculite??? I went to my local building supply looking for vermiculite to use as loose insulation over the ceramic fiber blanket I had wrapped around my oven... and they sold me "Micafil" brand block fill vermiculite. It says its for filling concrete blocks or walls and is water resistant. OK- but is it appropriate for the insulating job I bought it for? I got it home and poked a hole in one of the bags... it's close to the consistency of oatmeal-like flakes... is that what it's supposed to be? I may have had the wrong impression, but I thought it was supposed to be more granular, larger pieces so there would be air pockets... Can anyone tell me whether this vermiculite is appropriate as oven insulation? Thanks  |
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#2
05-08-2010, 08:21 AM
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| Re: "Micafil" block fill vermiculite??? It is fine. Perlite is more granular.
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#3
05-08-2010, 02:50 PM
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| Re: "Micafil" block fill vermiculite??? Reassurance is always good...thanks for the reply I can't work on it today (too darn cold and the wind's gusting to 60mph), so hopefully tomorrow.. |
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#4
05-08-2010, 02:58 PM
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| Re: "Micafil" block fill vermiculite??? I often get asked the coverage of a 4 cuft bag of perlite/vermiculite in a CMU wall. The answer, of course, is 16 if the wind isn't blowing.
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#5
05-10-2010, 07:37 AM
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| Re: "Micafil" block fill vermiculite??? Think that i bought the same stuff, but it is called Zonolite. not sure i can use it to mix with Portland cement and use for my Hearth slab. this stuff is almost powdery looks like pepper almost |
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#6
05-10-2010, 01:08 PM
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| Re: "Micafil" block fill vermiculite??? Quote:
As I said in my post - this "Micafil" stuff is almost the consistency of raw rolled oats, not as fine as what you're describing... |
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#7
05-10-2010, 01:32 PM
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| Re: "Micafil" block fill vermiculite??? Zonolite is perlite and is fine to use, no matter what consistency.
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#8
05-10-2010, 04:07 PM
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| Re: "Micafil" block fill vermiculite??? Vermiculite is a form of mica. They actually look quite similar.
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#9
05-10-2010, 07:22 PM
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| Re: "Micafil" block fill vermiculite??? thanks for the response |
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#10
05-11-2010, 03:51 PM
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| Re: "Micafil" block fill vermiculite??? Quote:
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