Two Panasonic fans on the same 6-inch exhaust duct through the roof
Have 2 panasonic whisper green fans, 80 cfm bath and 50 cfm laundry room. Looking to minimize roof penetrations and only have one vent. Best practices for integrating these 2 into one 6 inch roof exhaust.
Both are using 6 inch galvanized duct.
Marine zone 4c.
Also about air sealing, should I put sheetrock boxes around before blowing in cellulose?
Is insulating exhaust ducts in vented attic necessary in marine 4c?
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