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Adding a drop ceiling to my shop using corrugated metal and am needing insulation and vapor barrier recommendation. I have quite a bit of R-19 fiberglass batts that's backed with paper. Also toying with the idea of having cellulose blown in on top to add to it. Or just have the cellulose...

Thanks for the tips. I'm in western Oregon so we get lots of rain....

Thanks for all the input guys. So I just got down off the ladder and checked the roof out again. The first place I checked was the roof where I pulled a couple of batts down so just the original vapor barrier is exposed. Covered with condensation. I thought that eliminating the "double"...

So in theory I could pull the roof sheets off and pull out the vapor barrier that the contractor put in and then lay metal back down and be ok?

Also thought worst case scenario short of pulling it all out and spraying in closed cell foam would be to just build a drop ceiling and the vent the new attic space. Being it's only a 12' eve building it will kill my height inside though.

So I just checked and the moisture is definately better than yesterday but it is also colder with a good wind. The temps between the insulation and roof metal is alot cooler than yesterday. Still some moisture in a few places, none in a few that did yesterday. When I put heat in the shop will...

****...well I guess I could pull the insulation out and see how the pellet stove keeps up in the next couple of months.

Metal roof vapor barrier purlins trusses insulation between purlins up against vapor barrier

Just had a new pole barn built that I plan on living in for a couple of years till we build a house. Standard pole barn with all metal roof and metal siding. They put a vapor barrier down before laying the roofing. I then put up R-19 insulation between the purlins and covered the area in...

Just had a new pole barn built that I plan on living in for a couple of years till we build a house. Standard pole barn with all metal roof and metal siding. They put a vapor barrier down before laying the roofing. I then put up R-19 insulation between the purlins and covered the area in...