Fire-Rated
B-IT: 1" Flange
B-IP: Plaster Flange
B-IW: Drywall Flange
B-UT: Non-Insulated
Non-Rated
B-NT: 1" Flange
B-NP: Plaster Flange
B-NW: Drywall Flange
Recessed
B-RA: No Flange
B-RP: Plaster Flange
B-RW: Drywall Flange
Security
B-MT: 1" Flange, 12ga
B-HS: High Security, 10ga
B-TS: Top Security, 7ga
B-ST: 1" Flange
Exterior
B-XT: 1¼" Flange
Lightweight
B-LW: Light Weight, Insulated
Special Applications
B-FRD: Oversized Fire Rated
B-DTK: Draft Stop
B-FRU: Oversized Fire-Rated
B-PL: Plastic
Description
Sizes
Options
CSI Specs
CAD Drawings
Competition Comparisons
B-PL |
Access Panels
STANDARD SIZES
(mm)
(w x h)
(inches)
(w x h)
102 x 152
152 x 228
202 x 202
356 x 356
356 x 736
4 x 6
6 x 9
8 x 8
14 x 14
14 x 29
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