Insulation, Radiant and Vapor Barriers - 2x6 wall

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MergaTroy6
04-11-02, 05:56 PM
I'm looking into building a house in Woodloch Springs in PA. They are gonna build the house with 2x6 exterior walls. What is the maximum R factor I could get with the insulation? Thanx for the help.

garywms
04-14-02, 05:43 PM
It will be an R-19.
Insulman
04-16-02, 04:19 PM
you can purchase high density batts which are 5 1/2" thick and have a r-value of 21. Standard r-19 batt installed in a 2 x 6 cavity tends to give you a bit less than r-19 since you are compressing the 6 1/4" batt into a stud space which is only 5 1/2" thick.

material costs between the 2 is about 30% higher for the r-21 over the r-19..

Good Luck

Jim