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ACD

01:25PM | 10/25/02
Member Since: 10/15/02
359 lifetime posts
Bvhvac
My house has a fairly recent addition done by someone who I dont know or care to know. The cieling was drywalled without a vapor barrier or insulation, and I found out the other day after removing the drwall from the exterior wall to install a new door that they installed R-19 in a 2x4 wall instead of R-13. Will that actually be less effective than R13 now since it is compressed by the drywall? I really dont feel like ripping out all three exterior walls and reinsulating or furring out to 2x6 dimensions.

Jay J

03:54PM | 11/07/02
Member Since: 10/26/00
782 lifetime posts
Hi ACD,

Yes, definitely, R-19 will not be the net R-value in a 2x4 wall. R-19 is meant for 2x6 walls where R-13 is meant for 2x4 walls.

Visit www.owenscorning.com and email those folks for specifics. Just tell them that you found OC insulation w/such-and-such-a-problems as you stated. Ask them what the net R-value is in your current situation. ANd ask them what you should do. Oh, DO mention if it's Kraft-sided insulation too, or not.

My best to ya and hope this helps.

Jay J -Moderator

PS: God Bless America!

ACD

08:34AM | 11/13/02
Member Since: 10/15/02
359 lifetime posts
Thanks I did just that. waiting on a reply. Did I mention the same yohos that put the insulation in the walls, didnt put insulation or vapor barrair in the ceiling and just rocked it? makes the money pit look like a deal.
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