Thread: Vaulted Garage Ceiling insulation
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Old 10-05-2018, 09:43 PM
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ponjohn ponjohn is offline
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Default Vaulted Garage Ceiling insulation
If I used Polyiso or EPS do I need an air gap?


This is the front half of the garage at 22 x30.



Would I be disappointed with simple R19 and an air gap.



75k hot dawg heater.


Thanks.

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