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Old 09-05-2009, 07:46 AM
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Dave Hilty Dave Hilty is offline
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Join Date: Apr 2002
Location: Oxford, MI
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Good point on the floor...My furnace was built by Charlie Correll & we installed in 1997. To be clear about the floor - From the steel up, the layers are 4" of Insblock 19, one course of G20 softs, one course of G26 softs, then the original floor was 3" of Mizzou. When I excavated with the Jack Hammer, pretty much all the Mizzou strata was glassy but fortunately very little of the next layer of G26 was eaten. The old glassy Mizzou peeled away from the ins. brick layer pretty cleanly so I could put in about 4" of the Morocast.
Dave Hilty
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