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Velvet
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Re: Pros and Cons of metal roof
[Re: hallb]
#2589796
09/25/18 12:51 PM
09/25/18 12:51 PM
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Joined: Jul 2005
Posts: 19,095
Chelsea, AL
straycat
Old Mossy Horns
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Old Mossy Horns
Joined: Jul 2005
Posts: 19,095
Chelsea, AL
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Two questions Irishman, is the R15 the only insulation you have overhead? Won't the space between the double vapor barrier sweat and have condensation that is trapped ?
I have a question for your question... Does a cooler or an insulated cup sweat between the inner and outer layers? I think I might read straycat's post. They're trying to help you out, not be asses about it....just saying. If you're all good, then you're all good can't hurt to have someone who deals with it daily give it a little sanity check. Sorry - my 2 cents that ain't worth a penny. It's all good. Irish thinks through stuff by asking questions. Not a problem. Good to think through it.
"The grass withers, the flower fades, But the word of our God stands forever." Isaiah 40:8
"Neither the wisest constitution nor the wisest laws will secure the liberty and happiness of a people whose manners are universally corrupt.� Samuel Adams
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Re: Pros and Cons of metal roof
[Re: Irishguy]
#2589842
09/25/18 01:32 PM
09/25/18 01:32 PM
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Joined: Jul 2011
Posts: 34,536
Boxes Cove
2Dogs
Freak of Nature
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Freak of Nature
Joined: Jul 2011
Posts: 34,536
Boxes Cove
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Two questions Irishman, is the R15 the only insulation you have overhead? Won't the space between the double vapor barrier sweat and have condensation that is trapped ?
I have a question for your question... Does a cooler or an insulated cup sweat between the inner and outer layers? My coolers and cups don't have wood, paper and pink panther insulation between the outer and inner layers to mold , mildew and rot. Some have a vacuum pulled on them. And I don't expect them to last 100 years or more either.
"Why do you ask"?
Always vote the slowest path to socialism.
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Re: Pros and Cons of metal roof
[Re: straycat]
#2589844
09/25/18 01:33 PM
09/25/18 01:33 PM
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Joined: Dec 2013
Posts: 22,700
Lickskillet, AL
Irishguy
a.k.a. Dingle Johnson
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a.k.a. Dingle Johnson
Joined: Dec 2013
Posts: 22,700
Lickskillet, AL
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IF the lower barrier (on the backside of the T-111) is a non-air permeable material, then the conditioned space vapor drive never gets to the roof sheathing, stays in the space where the HVAC and natural air movement takes care of it.
I believe this would most closely describe what I have.
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Re: Pros and Cons of metal roof
[Re: GomerPyle]
#2589971
09/25/18 03:34 PM
09/25/18 03:34 PM
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Joined: Jul 2005
Posts: 19,095
Chelsea, AL
straycat
Old Mossy Horns
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Old Mossy Horns
Joined: Jul 2005
Posts: 19,095
Chelsea, AL
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Irish, what is the material on the backside of the t-111?
"The grass withers, the flower fades, But the word of our God stands forever." Isaiah 40:8
"Neither the wisest constitution nor the wisest laws will secure the liberty and happiness of a people whose manners are universally corrupt.� Samuel Adams
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Re: Pros and Cons of metal roof
[Re: straycat]
#2590066
09/25/18 05:03 PM
09/25/18 05:03 PM
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Joined: Dec 2013
Posts: 22,700
Lickskillet, AL
Irishguy
a.k.a. Dingle Johnson
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a.k.a. Dingle Johnson
Joined: Dec 2013
Posts: 22,700
Lickskillet, AL
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Irish, what is the material on the backside of the t-111? I'll have to check. I call myself having all that figured out when I drew up the plans, but it's been almost 3 years now since the roof was finished. If I can remember correctly it's gray and pretty thick and has a textured surface so you can walk on it and not slip.
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Re: Pros and Cons of metal roof
[Re: GomerPyle]
#2590080
09/25/18 05:14 PM
09/25/18 05:14 PM
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Joined: Jul 2005
Posts: 19,095
Chelsea, AL
straycat
Old Mossy Horns
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Old Mossy Horns
Joined: Jul 2005
Posts: 19,095
Chelsea, AL
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Peel and stick, or did you nail it in place?
"The grass withers, the flower fades, But the word of our God stands forever." Isaiah 40:8
"Neither the wisest constitution nor the wisest laws will secure the liberty and happiness of a people whose manners are universally corrupt.� Samuel Adams
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Re: Pros and Cons of metal roof
[Re: straycat]
#2590098
09/25/18 05:38 PM
09/25/18 05:38 PM
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Joined: Dec 2013
Posts: 22,700
Lickskillet, AL
Irishguy
a.k.a. Dingle Johnson
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a.k.a. Dingle Johnson
Joined: Dec 2013
Posts: 22,700
Lickskillet, AL
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Peel and stick, or did you nail it in place? I didn't install it.
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