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Old 05-26-2007, 06:59 AM
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Join Date: Apr 2007
Location: wisconsin
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Question which vermiculite to use

The only vermiculite I have found in my area is a fine sand like prouduct used to insulate concrete block. Is this ok to use for the insulating pad and cap.
Thanks Larry

Last edited by lcmort; 05-27-2007 at 06:29 AM.
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Old 05-27-2007, 09:23 PM
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Default Re: which vermiculite to use should be uncoated

Quote:
Originally Posted by lcmort View Post
The only vermiculite I have found in my area is a fine sand like prouduct used to insulate concrete block. Is this ok to use for the insulating pad and cap.
Thanks Larry
(M) If you have found a Vermiculite that has been coated for easy pouring into the cores of your cement block, that is not what is recommended for insulation. Coated Vermiculite, or Perlite will not readily absorb the water necessary for proper hydration of your "Perlcrete". If you're mixing an insulating "concrete" get the uncoated common garden - horticultural variety.

Ciao,

Marcel
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Old 05-28-2007, 07:10 AM
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Join Date: Apr 2007
Location: wisconsin
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Default Re: which vermiculite to use should be uncoated

Thank you this helps a lot.

Larry
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