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Can I completely fill my attic with insulation with no ventilation?
Should I use plastic (mil 4 or 6) between drywall and ceiling joist as a vapor barrier for unconditioned attic in Saint Louis, MO?
What is the proper installtion technique for blown insulation without soffit vents?
Attic insulation - is it ok to put R60 loose fill insulation on sheetrock ceiling?
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Attic insulation r-value in Watford City, ND
by code what r-value do I have to insulate my house attic too? I live in Watford City, ND
attic insulation r-value
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Your place is in climate zone #7 so you need a vapor barrier under the insulation (if it’s an existing structure you may already have this installed). There are two options:
Insulated sheathing with R-value = 10 over 2x4 wall (frame)
Insulated sheathing with R-value = 15 over 2x6 wall (frame)
Details are at the following link -
The R-value of the attic insulation in your climatic zone is R49 – R60 and you can find a map with a few more details here -
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