INSULATION


ITEM
SIZE
LTTR-VALUE

Board Stock
1" x 4' x 8'
LTTR= 6.0

Board Stock
1-1/2" x 4' x 8'
LTTR= 9.0

Board Stock
2" x 4' x 8'
LTTR= 12.1

Cross Vent
4" x 4' x 8'
LTTR= 15.3







NOTES:
  1. Cross Vent is available in 2-1/2" to 5-1/2" thickness and Non-Vented is available in 1-1/2" to 4-1/2" thickness.
  1. Fasteners are available.
  1. Two layer applications are recommended to eliminate the potential of thermal bridging. A 5% increase in combined R-Value is allowed with the two layer system.
  1. The noted panel thickness includes 7/16" OSB.
  1. LTTR (Long Term Thermal Resistance) Value listed for 4" CrossVent is based on a 1" Airspace.
06/17/05