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IBV Rough Framing Dimensions
Rough Framing Dimensions
Model A B C
IBV 36 43” 72”,83”,93” 26 3/4”
IBV 46 53” 72”,83”,93” 26 3/4”
Notes:
1. “Raised hearth” requires additional rough opening
height at “B” equal to the height of the raised hearth
detail.
2. Rough framing dimension for depth “C” allows for
one and one-half inch (1-1/2”) clearance at the back of
the IBV.
3. Keep all insulation and vapor barriers three inches
(3”) away from all IBV surfaces.
4.Openingheightof83”requiresminimum9’ue93”
heightrequiresminimum12’ue.
IBV Corner Location Layout
The following chart of plan dimensions is intended to aid
in the positioning of an IBV in a corner condition.
Model A B C D
IBV 36 43” 49” 32” 70”
IBV 46 53” 59” 39” 77”
B
Framed
Opening
A
Framed
Opening
C