Ken Meyer Posted July 1, 2009 Report Posted July 1, 2009 Is this heat duct insulation considered a combustible material? The combined furnace/water heater exhaust flue is almost touching it, but I could see no sign of damage from heat. Click to Enlarge 42.64 KB
John Dirks Jr Posted July 1, 2009 Report Posted July 1, 2009 Just curious but how far from the furnace and water heater is this contact point?
Brandon Whitmore Posted July 1, 2009 Report Posted July 1, 2009 If it is not classified as non- combustible material, then it should have proper clearances (1"). I doubt that the stuff in the picture is classified as non- combustible. I'd write it up, state my case, and if they could prove otherwise so be it.
Ken Meyer Posted July 1, 2009 Author Report Posted July 1, 2009 Just curious but how far from the furnace and water heater is this contact point? Between 5 and 6 feet. I'll include it in the report as Brandon suggested, better safe than sorry.
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