top of page
B-21 Series
B21-SingleHung-White
B21-Picture-White
NFRC-B21Series
B21-SingleHung-White
1/7
Our B-21 Series sash tilts inward for easy cleaning. It comes with a constant force coil spring balancer which provides a smooth operation of the tilt sash.
Beveled face & slope sill
Overall 3 1/4" frame depth
Aluminum reinforced railing system
Cardinal Glass: Dual Pane units with an overall thickness of 3/4"
Energy Efficiency - LowE366/CL Argon Filled (standard glass, more options available below)
NFRC Certified - Tested and inspected
DP Rating: 30
Black Vinyl Window option available (More color options available below)
Color Options
White
Vinyl
Almond
Clay
Laminate
White
Black
Almond
Bronze
Painted
Clay
Bronze
White
Bronze
Black Black
bottom of page