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Old 01-25-2009, 10:54 AM   #1
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Flooring cold from furnace intake


Hey... my cold air intake to my furnace runs across my house, between the floor joists. Even though they are insulated with Thermaduct (round insulation with barrier), the laminate flooring above gets cold. I live in Saskatoon, SK, Canada and it gets very cold here (we've had -40C temp's already this winter) and I'd like to fix this problem before I finish my basement. If I put rigid insulation between the floor and the intake ducting, would this work? Thanks for any suggestions.

Erin

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Old 01-25-2009, 11:24 AM   #2
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Flooring cold from furnace intake


Yes, put in insulation between the duct and the floor above. Since there isn't much space for the insulation, choose the highest R-value you can; rigid foam is among the highest available. YOu'll also need insulation below the duct and above the ceiling when you finish the basement.


Last edited by AllanJ; 01-25-2009 at 11:27 AM.
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