Model 6921 is a 5-1/8" wide aluminum fixed combo sill with a sloped top, designed for fire-rated commercial openings. Its durable aluminum construction and angled surface ensure a smooth transition from door to floor and compatibility with common frame configurations.
Key Features:
Dimensions: 5-1/8" width x 31.5", 33.5", or 37.5" length
Sloped Top Design: Approx. 1-1/8" height at the back, tapering to 1" at the front
UL Certified – Fire-rated for code-compliant commercial use
Available Finishes:
Mill Finish
Anodized Dark Bronze
- Notching Options available, for an additional fee. Please contact customer service for more details:
- Standard 3/4" mill each end
- Standard 3/8" mill and drill
- Drill only
Extruded aluminum construction





























