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Pemko XG90KIT Excessive Gap Perimeter Fire & Smoke Seal Kit -- White
The Pemko XG90KIT is a two-component intumescent perimeter fire and smoke seal kit engineered to seal excessive gaps around fire-rated door openings at the head, jambs, and strike edge. Also referenced as the Pemko Excessive Gap Kit, this solution combines the XG900 galvannealed steel edge guard and the HSS20XGxS773 intumescent perimeter seal into a single, field-ready assembly. It is designed for installations where standard perimeter gasketing cannot accommodate oversized or out-of-tolerance gaps — a common challenge in renovation, retrofit, and new construction projects involving hollow metal and wood fire-rated doors. Screw-applied installation makes it accessible for door hardware professionals and facility maintenance teams alike.
Institutional Grade Features & Benefits
- Fills Excessive Gaps: Specifically engineered to address oversized clearances at the head, jambs, and strike edge of fire-rated door openings where standard seals fall short.
- 90-Minute Fire & Smoke Protection: Meets UL10C 90-minute fire and smoke requirements, providing critical containment performance at the door perimeter for the duration required by code.
- Intumescent Technology: The HSS20XGxS773 intumescent perimeter seal expands under heat to close gaps and prevent the passage of fire and smoke through the door perimeter.
- Galvannealed Steel Edge Guard: The XG900 edge guard provides a durable, corrosion-resistant mechanical substrate that protects and retains the intumescent seal material at the door edge.
- Two-Component Kit: Ships as a complete assembly — the XG900 edge guard and the HSS20XGxS773 intumescent seal — simplifying procurement and ensuring part compatibility.
- Screw-Applied Installation: Straightforward mechanical fastening eliminates the need for adhesive bonding, supporting a reliable, lasting attachment to the door or frame.
- Broad Door Type Compatibility: Approved for use on both hollow metal and wood fire-rated doors, making it a versatile solution across a wide range of commercial and institutional openings.
- NFPA 80 Compliant: Approved for NFPA 80 fire-rated openings, supporting code-compliant fire door assembly installations.
- White Finish: Low-profile white color integrates cleanly with standard commercial door and frame finishes.
Technical Details
| Feature | Details |
|---|---|
| Brand | Pemko |
| Model / Part Number | XG90KIT |
| Part Type | Perimeter Gasketing — Excessive Gap Intumescent Seal Kit |
| Color / Finish | White |
| Kit Components | XG900 Galvannealed Steel Edge Guard; HSS20XGxS773 Intumescent Perimeter Seal |
| Application Location | Head, Jambs, and Strike Edge of fire-rated door openings |
| Door Type Compatibility | Hollow Metal and Wood Fire-Rated Doors |
| Fire & Smoke Rating | UL10C 90-Minute Fire and Smoke |
| Installation Method | Screw Applied |
| Standards Compliance | Approved for NFPA 80 Fire-Rated Openings |
Documentation
| Gasketing Set Size | 3'0 x 7'0 Set or 4'0 x 7'0 Set or 7'0 Piece or 4'0 Piece or 3'6 x 7'0 Set |
| Brand | Pemko |
| Smoke Rated | Smoke Rated |
| Weatherstripping Type | Intumescent Seal |
| Fire Rated | Fire Rated |
| Insert Material | Intumescent |
| Mounting Type | Screw Applied - Exp Screw |
| Gasketing Finish | White |
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