
Rolling Steel Fire Doors
SDI Rolling steel fire doors are engineered and manufactured by our team in-house. Custom to your projects, these doors offer many years of trouble free operation. Made with high-quality steel components, these doors are available with 2” 22ga. curved or flat slats. The G90 galvanized curtain and hood does not require further painting. Features a fluid governor release mechanism for smooth and quiet operation. Drop test is simple and can be performed by a single technician. Resets from one side of opening, reducing testing costs. Various fire labels available plus oversize labels on approved larger openings.
Stay open model also available as an economical option when a fire door is only required to close during testing or in the event of a fire.
Door Features
- Rugged 2” flat slats 22 ga. steel
- Available in push up, chain hoist, stay open and motor operation
- Fluid governor release mechanism for smooth and quiet operations
- G90 galvanized curtain and Hood does not require further painting
- Steel plate brackets are more durable than stamped steel bracket plates
- Between jamb mount also available
Fire Label | 3/4, 1 1/2, 3 hour (4 hour available for masonry applications) Oversize label available for larger openings |
Bottom Bar | Steel double angle |
Guides | 3 structural steel angle |
Hood | 24g steel |
Maximum Size of Openings Tested | 13’6” wide x 12-0” high |
Specifications
Slat Options
2" Flat and Curved slats available in 22 ga. steel for Service fire door
2" Curved slats available in 22ga. steel for stay open model
Operation
- Push-up
- Chain Hoist
- Motor
- Stay Open
Hardware Options
Slide Bolt Lock
Steel Double Angle Bottom Bar
Safety Options:
Nema 7/9 Explosion Proof Motor
Nema 4 Water Proof Motor
Nema 4X Corrosion Proof Motor
Fire Link Release device
Sensing edge