Insulation - Paper Faced vs Plastic Wraped

3780 Views 4 Replies 3 Participants Last post by Windows on Wash, Jan 2, 2013

ddawg16

Discussion Starter · Dec 29, 2012

I can get 2 basic types of fiberglass insulation at HD and Lowes....

Paper Faced & Plastic Wraped (the whole bat is covered with plastic)

In the attic I typically used the plastic wraped stuff since it was easier to keep clean.

Note....I don't live in one of those obscenly cold places.....right now we are having a cold snap....it got down to 42 last night.

I have 3 areas to insulate....walls (which will have stucco on the outside), vaulted ceilings and 2nd floor floor joists....(I'm assuming the vapor barrier would go down)

I'm so of inclined to think that the plastic wraped stuff would work better in the vaulted ceiling...

Guidlines?

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Windows on Wash

· #2 · Dec 29, 2012

I would go with the unfaced and cover it with Tyvek if you want to keep it from being friable.

The poly stuff is not really indicated in any capacity for your climate zone.

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jklingel

· #3 · Jan 2, 2013

"...I don't live in one of those obscenly cold places..." Hey. That's getting personal.:wink: Can you get Roxul insulation where you are, down there in Notsocoldville? greenbuildingadvisor.com has a good blog on 'how to insulate a cathedral ceiling', among other things. it may be worth checking over there, too.

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ddawg16

Discussion Starter · #4 · Jan 2, 2013

jklingel said:
"...I don't live in one of those obscenly cold places..." Hey. That's getting personal.:wink: Can you get Roxul insulation where you are, down there in Notsocoldville? greenbuildingadvisor.com has a good blog on 'how to insulate a cathedral ceiling', among other things. it may be worth checking over there, too.

Thanks for the link jk.......

I rode my m/c to work today.....man, it was cold.....45 deg

Negative on the Roxul....the only things I've seen are what the big box stores carry....pink...I do have some mineral wool at work....and was going to use that in a couple of places where I need to dampen sound as well....

My poor sons new bedroom is going to be pipe central.....all of the upstairs master bath plumbing goes through the ceiling and wall of his bedroom.

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Windows on Wash

· #5 · Jan 2, 2013

Roxul is just a brand name.

Roxul is stone wool. The Big Box guys here have it.

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