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should i us open cell or closed cell

by LiveModern Webmaster last modified Jan 07, 2015 01:00 AM
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by last modified Jan 06, 2015

im woundering how it the best way to insulat a trailor house older style with alumiunum roof that has a seperate gable roof self supported closed in with good vents. i have striped the outside walls down to studs and sheathed it with osb 1/2 in tar paperd and used 12 in lp smart side. can i use closed cell on the bottom side of the trailor roof the cavity is only 5 in on side and 11 in middle or should I use open cell on everything since it would be sprayed on from the inside and put a plastic vapor barrier in. house is located in Oklahoma so mixed climate




 

 

im woundering how it the best way to insulat a trailor house older style with alumiunum roof that has a seperate gable roof self supported closed in with good vents. i have striped the outside walls down to studs and sheathed it with osb 1/2 in tar paperd and used 12 in lp smart side. can i use closed cell on the bottom side of the trailor roof the cavity is only 5 in on side and 11 in middle or should I use open cell on everything since it would be sprayed on from the inside and put a plastic vapor barrier in. house is located in Oklahoma so mixed climate

Assuming your roof is in good shape... Anytime there is a chance of moisture issues (roofs are high on that list) you go with closed cell Plastic sheathing is not...


 

 

 
 
 

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