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Pemko 325XGSSBSPN Extreme Gap Door Bottom Sweep — Black Suede (BSP) with Neoprene Insert
The Pemko 325XGSSBSPN is a heavy-duty extreme gap door bottom sweep engineered for commercial fire door openings where the undercut or frame clearance exceeds the limits defined by NFPA 80. Finished in Black Suede (BSP) with a neoprene seal insert, this surface-mounted, screw-applied U-channel door bottom delivers a proven excessive-gap solution for rated door assemblies. The neoprene insert is field-replaceable, extending the service life of the assembly without requiring full hardware replacement. Independently fire-tested by Intertek (Warnock Hersey) under Intertek IS47, the 325XGSSBSPN is listed for use on fire-rated door assemblies up to 1-1/2 hours — making it a compliant choice where standard door bottom sweeps fall short due to excessive door-to-floor or door-to-frame clearances.
Institutional Grade Features & Benefits
- Excessive-Gap Compliance: Designed specifically for commercial openings where door and frame clearances exceed standard NFPA 80 tolerances — addresses a common field condition on legacy and high-traffic fire doors.
- Intertek / Warnock Hersey Listed (IS47): Independently fire-tested under Intertek IS47 as an excessive-gap solution; listed for fire-rated door assemblies rated up to 1-1/2 hours.
- Replaceable Neoprene Insert: The neoprene seal insert can be replaced in the field without removing the U-channel base, reducing maintenance cost and downtime on high-use commercial doors.
- Surface / Screw-Mounted U-Channel: Simple screw-applied installation to the face of the door bottom — no mortising or routing required, compatible with wood and hollow metal door construction.
- Black Suede (BSP) Finish: Low-sheen Black Suede powder-coat finish blends with dark door frames and hardware — a clean, professional appearance suitable for institutional and commercial interiors.
- Neoprene Sealing Material: Neoprene provides durable resistance to wear, temperature variation, and light moisture, maintaining an effective seal over extended use cycles.
Applications
The Pemko 325XGSSBSPN is suited for commercial fire door openings — including schools, hospitals, government buildings, and multi-family residential corridors — where door bottom clearances exceed what NFPA 80 permits for standard sweeps. It is the correct product choice when an Authority Having Jurisdiction (AHJ) or fire inspection identifies an excessive-gap condition at the door bottom of a rated assembly.
Technical Details
| Feature | Details |
|---|---|
| Brand | Pemko |
| Part Number | 325XGSSBSPN |
| Part Type | Door Bottom Sweep — Extreme Gap |
| Finish / Color | Black Suede (BSP) |
| Seal Insert Material | Neoprene (replaceable) |
| Mounting Method | Surface / screw-mounted U-channel |
| Fire Rating Compatibility | Up to 1-1/2 hour fire-rated door assemblies |
| Listing / Testing Authority | Intertek / Warnock Hersey — Intertek IS47 |
| Application | Excessive-gap solution for clearances exceeding NFPA 80 requirements |
| Technical Reference | Pemko 325XGSS Series Tech Data Sheet |
Documentation
| Length | 36 Inch or 48 Inch |
| Brand | Pemko |
| Bottom Weatherseal Type | Door Bottom |
| Housing Finish | Black Suede Powder Coat |
| Weatherstripping Type | Perimeter Gasketing |
| Fire Rated | Fire Rated |
| Insert Material | Neoprene |
| Mounting Type | Surface Mounted |
| Sweeps, Door Bottom or Rain Drip | Door Bottom |
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