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National Guard Products 130S DKB Silicone Sponge Perimeter Weatherstrip Head-and-Jamb Set – Dark Bronze
The National Guard Products (NGP) 130S DKB is a silicone sponge perimeter weatherstrip head-and-jamb set in a Dark Bronze finish with a black closed-cell microcellular silicone sponge insert. Engineered for demanding commercial and institutional openings, this screw-applied gasketing system mounts directly to the frame stop and is sold as a complete three-piece set — one head piece plus two jamb pieces — covering the full door perimeter. Each set is available in five standard opening sizes (3'0 × 7'0, 4'0 × 7'0, 6'0 × 7'0, 6'0 × 8'0, and 8'0 × 8'0), making it suitable for single doors, pairs, and oversized commercial openings. The 130S DKB carries UL listings for fire door applications, positive pressure certification, and smoke and draft control gasketing compliance — delivering air infiltration control, fire protection, and long-term seal performance in a single perimeter weatherstrip solution. This item is made to order with a typical lead time of 10–15 business days.
High-Performance Silicone Sponge Weatherstrip Features
- Patent-Pending Microcellular Silicone Insert: NGP's closed-cell sponge construction delivers superior compression set resistance, maintaining a consistent perimeter seal over years of door cycling.
- Extreme Temperature Flexibility: Rated from -81°F to 300°F, the silicone insert remains fully flexible at both sub-zero and high-heat extremes — ideal for exterior doors and mechanical rooms subject to wide thermal swings.
- Flame- and Moisture-Resistant: Closed-cell silicone sponge resists flame spread and blocks moisture infiltration, protecting the door opening from both environmental and life-safety threats.
- Excellent Resistance to Ozone, UV, and Aging: Silicone chemistry resists ozone attack and ultraviolet degradation, extending service life in exterior and sun-exposed applications without cracking or hardening.
- FM200 and Halon Compatible: Specifically recommended for use in areas equipped with FM200 or Halon fire suppression systems, where gasket material compatibility is a critical specification requirement.
- UL-Certified Fire Door Compliance: Certified by UL to ANSI/UL10B (standard and negative pressure) and ANSI/UL10C (positive pressure) for hollow metal fire doors rated up to 3 hours and wood fire doors rated up to 90 minutes — meeting NFPA 80, NFPA 252, and IBC requirements.
- Smoke and Draft Control Gasketing: UL-certified to ANSI/UL1784 Category 'H' for use on 'S'-labeled positive pressure hollow metal fire doors up to 3 hours and wood fire doors up to 90 minutes, in compliance with NFPA 105 and IBC.
- ANSI/BHMA A156.22 Certified: BHMA-certified gasketing listed in the BHMA Certified Products Directory, meeting the American National Standard for Door Gasketing and Edge Sealing Systems, including performance tests for heat and cold.
- Aluminum Alloy 6063-T5 Retainer: The extruded aluminum carrier provides a rigid, corrosion-resistant base that holds the silicone insert firmly in position on the frame stop.
- Slotted Screw Holes for Easy Adjustment: Screw holes are slotted to allow field positioning of the weatherstrip during installation, ensuring a precise perimeter seal even on doors that are not perfectly plumb or square.
- Stainless Steel Screws Furnished: #6 × 3/4" stainless steel sheet metal screws are included, protecting against corrosion at the fastener point in humid or exterior environments.
- Complete Head-and-Jamb Set: Supplied as a ready-to-install three-piece perimeter set (one head, two jambs) pre-cut to your specified opening size — no field cutting of extrusion lengths required.
Technical Details
| Manufacturer | National Guard Products (NGP) |
| Model Number | 130S DKB |
| Product Type | Silicone Sponge Perimeter Weatherstrip Head-and-Jamb Set |
| Finish | Dark Bronze (DKB) |
| Insert Material | Patent-Pending Microcellular Closed-Cell Silicone Sponge (Black) |
| Retainer Material | Aluminum Alloy 6063, T5 Temper |
| Profile Section | 15/16" × 5/16" |
| Set Configuration | 1 Head + 2 Jambs (complete perimeter set) |
| Available Opening Sizes | 3'0 × 7'0 | 4'0 × 7'0 | 6'0 × 7'0 | 6'0 × 8'0 | 8'0 × 8'0 |
| Application Method | Screw-applied to the frame stop |
| Fasteners Furnished | #6 × 3/4" Stainless Steel Sheet Metal Screws |
| Screw Hole Configuration | Slotted for field adjustment |
| Temperature Range | -81°F to 300°F |
| Fire Door Rating – Hollow Metal | Up to 3 Hours (UL-Certified) |
| Fire Door Rating – Wood | Up to 90 Minutes (UL-Certified) |
| UL Standards | CAN/ULC-S104, ANSI/UL10B (Standard & Negative Pressure), ANSI/UL10C (Positive Pressure), ANSI/UL1784 Category 'H' (Smoke & Draft Control) |
| Code Compliance | NFPA 80, NFPA 105, NFPA 252, IBC |
| BHMA Certification | ANSI/BHMA A156.22 – Listed in BHMA Certified Products Directory |
| Fire Suppression Compatibility | Recommended for FM200 and Halon fire suppression systems |
| Stocked / Made to Order | Made to Order |
| Lead Time | 10–15 Business Days |
Pro-Tip for Perimeter Sealing
The NGP 130S DKB is surface-applied directly to the frame stop, making it one of the simplest perimeter weatherstrip profiles to retrofit onto existing hollow metal or wood frames without modifying the frame itself. Take advantage of the slotted screw holes to shift the weatherstrip inward or outward during installation before fully driving the furnished #6 × 3/4" stainless steel sheet metal screws — this lets you fine-tune contact pressure against the door face for an even compression across the full head and both jambs. On pairs of doors, install the jamb legs first, verify door operation, then set the head piece to confirm consistent sponge contact at all four corners. Because the silicone sponge retains its shape across a temperature range of -81°F to 300°F, seasonal door movement in exterior applications will not cause the insert to gap or harden over time.
| Gasketing Set Size | 3'0 x 7'0 Set or 4'0 x 7'0 Set or 6'0 x 7'0 Set or 6'0 x 8'0 Set or 8'0 x 8'0 Set |
| Brand | National Guard Products |
| Housing Finish | Dark Bronze |
| Smoke Rated | Smoke Rated |
| Weatherstripping Type | Perimeter Gasketing |
| Housing Size | 15/16" x 5/16" |
| Insert Color | Black |
| Fasteners | #6 x 3/4" Stainless Steel Sheet Metal Screws Furnished |
| Fire Rated | Fire Rated |
| Insert Material | Silicone |
| Mounting Type | Screw Applied - Exp Screw, Surface Mounted |
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