1. 68 HEMI GTS

    68 HEMI GTS Well-Known Member

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    Any one using one in a cold environment that heats their barn? I was considering metal instead of drywall but I’m concerned it could sweat? Any tips or tricks?
     
  2. 4mulas

    4mulas Well-Known Member

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    Shouldn’t sweat so long as you have 6 mil vapour barrier then insulation. If ceilings were to ‘sweat’ You’d have a lot of moody drywall out there wouldn’t you. Vapour barrier and insulation are the key.
     
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    • 68 HEMI GTS

      68 HEMI GTS Well-Known Member

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      do I need the vapor barrier even with faced insulation?
       
    • 4mulas

      4mulas Well-Known Member

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      Spray foam insulation is popular nowadays too and also acts as a vapour barrier. In my parts it’s a bit more spendy though. Check with your local building supply companies for direction on this. Also exteriors specific supply companies will have the latest on all the roofing technologies available to you.
       
      Last edited: Nov 9, 2019
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      • dadsbee

        dadsbee FBBO Gold Member FBBO Gold Member

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        Not a cold environment.. as I have R52 in the ceiling, but you'll love the light reflection and clean look of just using galvanized roofing for a ceiling..
        DCP01361.JPG
         
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        • 1967coronet

          1967coronet FBBO Gold Member FBBO Gold Member

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          We have steel ceiling and tube heat, Spray foam insulation, dry ceiling all winter here in Iowa. maddie cullen b day shop sept nov 081 (640x480).jpg
           
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          • Sahara

            Sahara FBBO Gold Member FBBO Gold Member

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            I live in an actually cold place. Lotsa metal ceilings and walls in garages and wash bays, etc.
            Vapour barrier is key. In Canada by code it is, I think, 6 mil plastic which is very thick, not like Saran Wrap. Fibreglass batts under that.
            At least here the facing on insulation is no longer considered vapour barrier.
             
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            • eldubb440

              eldubb440 FBBO Gold Member FBBO Gold Member

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              I have a small unfinished room in my shop. metal roof, un-insulated, always dry........ my floor however, in the insulated area; sweats horribly on humid, rainy days when the temperature is right..... go figure
               
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              • 493 Mike

                493 Mike FBBO Gold Member FBBO Gold Member

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                I have a metal ceiling in all my exterior ceilings with blown in cellulose insulation and no vapor barrier. Last I checked steel holds water quite well. I keep the shop at 60* minimum most of the time. Mid Michigan.
                Mike IMG_1744.JPG IMG_0187.JPG IMG_0188.JPG
                 
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