Thread: Spongy Vermiculite Hearth - solution thermally sound?
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Old 10-18-2007, 03:23 PM
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james james is offline
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Default Re: Spongy Vermiculite Hearth - solution thermally sound?
Ciao Petrizzi,

I agree with David. This is pretty normal and your hearth will be just fine. Keep going. Vermiculite is pretty odd stuff, but it will definitely work.
James
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