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For max insulation should I go for snow covered asphalt over metal?

For max insulation should I go for snow covered asphalt over metal?

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Old 11-26-19, 01:38 PM
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For max insulation should I go for snow covered asphalt over metal?

We're about to pull the trigger on a much needed new roof and I was wondering if the R value of 6"min-1'+ snow all season would be worth opting for asphalt over metal? The big reason for metal would be the opposite - no snow, no ice dams, but I would have ice/water shield if we went asphalt. The reason this is interesting to me is that this house is a bit under-insulated now. The new roof will have 2" rigid insulation either way we go (it's 1" now). Am I overthinking this, or?
 
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Old 11-26-19, 02:48 PM
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Your roof does no insulating for your home so choose whatever material you like best. All the insulating is done at the attic floor. That's one reason attics have ventilation, to keep the roof cool.
 
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Old 11-26-19, 02:56 PM
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sorry, I should have said there's no attic here. this is a vaulted ceiling in a remodeled cabin
 
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