Better: r-30, Best: r-36 – Roxul ComfortBatt User Manual
Page 19

19
ROXUL
®
Insulation Products For Residential Thermal Applications
1
1
6
4
4
*Check with your state/municipal building code for approved vapor barrier/retarder information.
Better:
R-30
2 x10 Joists + CB R-30
(or attach 1 x 2 furring/strapping strip to
2 x 8 joist to build up the joist cavity depth)
1
Flooring
2
Sub-Floor
3
Vapor Control Layer
*
4
2 x10 Joists
5
ROXUL COMFORTBATT
®
(R30)
Best:
R-36
2 x10 Joists + CB R-30 + CB IS R6
(or attach 1 x 2 furring/strapping strip
to build up the joist cavity depth)
1
Flooring
2
Sub-Floor
3
Vapor Control Layer
*
4
2 x10 Joists
5
ROXUL COMFORTBATT
®
(R30)
6
ROXUL COMFORTBOARd
™
IS (R6)
3
3
2
5
2
5