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Hager 726B Silicone Smoke Seal — Adhesive Perimeter Gasketing, Brown (UL 10C Fire & Smoke Rated)
The Hager 726B is a press-on adhesive perimeter gasketing — also referred to as a smoke seal door gasket or door weatherstrip — designed to seal the gap between a door leaf and its frame along the head and jamb stops. Its silicone sealing element compresses against the door face to control drafts, smoke, light, sound, and dust around the full perimeter of the opening. The self-adhesive backing eliminates fasteners, making the 726B an efficient choice for both new installation and retrofit applications on hollow-metal or wood frames. Finished in Brown to coordinate with dark frames and doors.
As confirmed by Hager's thresholds and weatherstripping catalog (Thresholds v40), Hager's intumescent and silicone gasketing line meets positive-pressure fire and smoke requirements consistent with UL 10C standards — a critical compliance point for rated commercial door assemblies in schools, healthcare facilities, office buildings, and other occupancies governed by NFPA 80 and IBC fire-door provisions.
Key Features & Benefits
- UL 10C Positive-Pressure Fire Rated: Suitable for use on fire-rated door assemblies requiring positive-pressure smoke and fire perimeter sealing — meets the compliance bar for rated commercial openings.
- Smoke Rated: Controls smoke migration around the door perimeter, supporting life-safety requirements in corridors, stairwells, and other smoke-control zones.
- Press-On Adhesive Installation: Self-adhesive backing means no screws, no routing, and no special tools — peel the release liner and press onto a clean frame stop for fast field installation or retrofit.
- Silicone Sealing Element: Resilient silicone compresses consistently against the door face, maintaining an effective seal through repeated open/close cycles.
- Brown Finish: Blends with dark-finished hollow-metal and wood frames for a clean, low-profile appearance.
- Multiple Roll Lengths Available: Stocked in 17 ft, 20 ft, 25 ft, 260 ft, and 520 ft rolls — right-size your order from a single door to a full building project.
- Broad Application Compatibility: Suitable for commercial and institutional door perimeters including corridors, stairwells, office suites, and any opening requiring draft, smoke, light, or sound control.
Applications
- Smoke-rated and fire-rated commercial door assemblies (UL 10C openings)
- Corridor and stairwell doors in schools, hospitals, and office buildings
- Retrofit sealing of existing hollow-metal or wood-frame openings
- General commercial door weatherstripping where adhesive mounting is preferred over fastened profiles
- Draft, sound, light, and dust control at the door perimeter
Technical Details
| Feature | Details |
| Model | Hager 726B |
| Brand | Hager Companies |
| Part Type | Press-on adhesive perimeter gasketing (smoke seal / door weatherstrip) |
| Sealing Element Material | Silicone |
| Color / Finish | Brown |
| Mounting Type | Adhesive applied (self-adhesive, press-on — no fasteners required) |
| Fire Rating | Fire Rated |
| Smoke Rating | Smoke Rated |
| Fire Test Standard | UL 10C (Positive Pressure) |
| Roll Sizes Available | 17 ft, 20 ft, 25 ft, 260 ft, 520 ft |
| Weatherstripping Type | Perimeter Gasketing |
| Sold As | By the roll |
| Gasketing Set Size | 17 ft Roll or 20 ft Roll or 25 ft Roll or 260 ft Roll or 520 ft Roll |
| Brand | Hager |
| Smoke Rated | Smoke Rated |
| Weatherstripping Type | Perimeter Gasketing |
| Fire Rated | Fire Rated |
| Mounting Type | Adhesive Applied |
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