Barn roof insulation

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Old 01-03-17, 02:05 PM
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Barn roof insulation

I have a barn with an attic. The barn is non heated. I would like to utilize the attic for my "mantown" I would like to insulate the roof. I will be adding an electric baseboard heater I have access to a bunch of cellulose blown in insulation for free. Could I staple 6 mil poly across the rafters and blow in the insulation? I will be going over it with sheetrock. Thanks
 
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Old 01-03-17, 03:10 PM
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Welcome to the forums! Your profile is not complete so we don't know where you are located, and don't have any idea of your climate conditions.

One thing with insulation and a roof rafter system. You will need a continuous air supply from the soffits to a ridge vent OVER the insulation for it to work properly. Installing baffles in the rafter bays will provide that air channel. Then you can insulate it in accordance with the depth remaining of your rafters. The baffles will take up a couple of inches or more.
 
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Old 01-03-17, 06:17 PM
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Sorry. I'll have to update my profile. I'm in Massachusetts. I understand the ventilation part. But, my main concern is using the blown in insulation. I haven't seen or heard of anyone using it in the roof rafters.
 
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Old 01-03-17, 06:33 PM
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Nor have I, mainly due to the settling factor. Over time your insulation will probably all settle to the lowest point.
 
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Old 01-03-17, 06:38 PM
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Well, l was thinking of nailing some baffles to keep the settling to a minimum.
 
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