3″ Rolling steel
- Rugged 3″ curved or flat slats
- G90 Galvanized finish that needs no further painting
- Structural Angle Guides and Aluminum Bottom Bar are more durable and easier to repair than rollformed shapes
- Steel Plate Brackets are more durable than stamped steel bracket plates
- Optional prime painted hood and curtain is available
- Bolted Barrel design for ease of repair
- Heavy Duty Cast Throats are more durable than stamped steel stops
- Malleable iron self aligning endlocks assure trouble free operation
- Choice of operation (Push-up, Chain, or Motor)
- Oil Tempered Torsion Springs designed for 50,000 cycles
- Designed for 20 PSF Windload