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National Guard Products 130N DKB Neoprene Sponge Perimeter Weatherstrip Head-and-Jamb Set – Dark Bronze
National Guard Products (NGP) model 130N DKB is a neoprene sponge perimeter weatherstrip head-and-jamb set finished in Dark Bronze anodized aluminum with a black closed-cell EPDM neoprene sponge insert. Each set includes one head piece and two jamb pieces, factory-cut to the door opening size you select, and is screw-applied directly to the frame stop to create a continuous, airtight perimeter seal on commercial and institutional door openings. This listing covers five standard opening sizes — 3'0 x 7'0, 4'0 x 7'0, 6'0 x 7'0, 6'0 x 8'0, and 8'0 x 8'0 — making it an adaptable solution for single, pair, and oversized commercial door assemblies. The 130N DKB carries UL fire-door certifications, UL positive-pressure certification, and BHMA listing under ANSI/BHMA A156.22, satisfying the perimeter-seal requirements of NFPA 80, NFPA 105, and IBC for hollow metal and wood fire doors.
High-Performance Perimeter Weatherstrip Features
- Aluminum Alloy 6063-T5 Extrusion: A structural-grade, Dark Bronze finished aluminum retainer delivers long-term dimensional stability and corrosion resistance at the frame perimeter.
- Patent-Pending Microcellular EPDM Insert: The black closed-cell advanced elastomeric foam is engineered in a synthetic EPDM rubber / polypropylene thermoplastic matrix for consistent compression and recovery cycle after cycle.
- Very Good Abrasion Resistance, Tensile Strength, and Memory: The microcellular sponge returns to its original profile after repeated door cycling, maintaining a reliable perimeter seal over the service life of the door.
- Flame-Resistant and Moisture-Resistant: The EPDM formulation resists ignition and moisture absorption, supporting the product's use on UL-listed fire door assemblies.
- Wide Temperature Range — -81°F to 275°F: The insert remains flexible and effective in extreme cold-storage environments as well as high-temperature commercial applications without brittleness or permanent compression set.
- Good Resistance to Ozone, Sunlight, and Aging: EPDM chemistry inherently resists UV degradation and atmospheric ozone, extending the usable life of the seal in exterior and vestibule applications.
- UL Fire-Door Certified (Standard and Positive Pressure): Certified by UL to CAN/ULC-S104 and ANSI/UL10B (standard) and ANSI/UL10C (positive pressure); complies with NFPA 80 and NFPA 252 for hollow metal fire doors rated up to 3 hours and wood fire doors rated up to 90 minutes.
- UL Smoke and Draft Control Gasketing: Certified by UL to ANSI/UL10C and ANSI/UL1784 Category 'H'; complies with IBC and NFPA 105 for use on 'S'-labeled positive-pressure hollow metal fire doors up to 3 hours and wood fire doors up to 90 minutes.
- ANSI/BHMA A156.22 Certified: Listed in the BHMA Certified Products Directory; certified for Heat and Cold Performance Tests, confirming compliance with the national standard for door gasketing and edge sealing systems.
- Slotted Screw Holes for On-Site Adjustment: Factory-slotted mounting holes allow the installer to fine-tune the position of the retainer on the frame stop for optimal compression without drilling new holes.
- Stainless Steel Screws Furnished: #6 x 3/4-inch stainless steel sheet metal screws are included with every set, eliminating a trip to the supply house and ensuring corrosion-resistant fastening.
- Head-and-Jamb Set — Five Opening Sizes: Pre-cut sets for 3'0 x 7'0, 4'0 x 7'0, 6'0 x 7'0, 6'0 x 8'0, and 8'0 x 8'0 openings eliminate field cutting of the aluminum retainer and ensure accurate mitered or squared corner fits.
- Made to Order: Sets are manufactured to your specified opening size with an approximate lead time of 10–15 business days, ensuring the correct length for each application.
Technical Details
| Manufacturer | National Guard Products (NGP) |
| Model Number | 130N DKB |
| Product Type | Perimeter Weatherstrip Head-and-Jamb Set, Screw Applied |
| Finish | Dark Bronze |
| Insert Material | Black Closed-Cell Microcellular EPDM Neoprene Sponge (Patent Pending) — Synthetic EPDM Rubber in Polypropylene Thermoplastic Matrix |
| Retainer Material | Aluminum Alloy 6063, T5 Temper |
| Section Profile | 1" x 3/16" |
| Set Configuration | 1 Head + 2 Jambs (complete perimeter head-and-jamb set) |
| Available Opening Sizes | 3'0 x 7'0 | 4'0 x 7'0 | 6'0 x 7'0 | 6'0 x 8'0 | 8'0 x 8'0 |
| Application Surface | Frame Stop (screw applied) |
| Fasteners Furnished | #6 x 3/4" Stainless Steel Sheet Metal Screws |
| Screw Holes | Slotted for Field Adjustment |
| Temperature Range | -81°F to 275°F |
| Flame Resistance | Flame-Resistant |
| Moisture Resistance | Moisture-Resistant |
| Weather Resistance | Good Resistance to Ozone, Sunlight, and Aging |
| UL Fire-Door Certification (Standard) | Certified by UL to CAN/ULC-S104 and ANSI/UL10B; complies with NFPA 80 and NFPA 252 — Hollow Metal doors up to 3 hrs., Wood doors up to 90 min. |
| UL Fire-Door Certification (Positive Pressure) | Certified by UL to ANSI/UL10C; complies with IBC, NFPA 80 and NFPA 252 — Hollow Metal doors up to 3 hrs., Wood doors up to 90 min. |
| UL Smoke and Draft Control | Certified by UL to ANSI/UL10C and ANSI/UL1784 Category 'H'; complies with IBC and NFPA 105 — 'S'-labeled Positive Pressure Hollow Metal up to 3 hrs., Wood up to 90 min. |
| BHMA / ANSI Standard | ANSI/BHMA A156.22 Certified; listed in BHMA Certified Products Directory — Certified for Heat and Cold Performance Tests |
| Availability | Made to Order — Approximately 10–15 Business Day Lead Time |
Pro-Tip for Perimeter Sealing
The NGP 130N DKB is designed for surface application directly to the frame stop. The slotted screw holes in the aluminum retainer allow you to shift the strip inward or outward after initial placement to dial in the compression of the neoprene sponge insert before tightening the furnished #6 x 3/4" stainless steel sheet metal screws — no additional hardware purchase required. When installing on a pair opening (such as the 6'0 or 8'0 wide options), take care to maintain consistent retainer positioning at the head-to-jamb corners so the sponge insert compresses uniformly around the full perimeter, which is essential for maintaining the product's UL smoke, draft, and fire-door ratings.
| 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 | 1" x 3/16" |
| Insert Color | Black |
| Fasteners | #6 x 3/4" Stainless Steel Sheet Metal Screws Furnished |
| Fire Rated | Fire Rated |
| Insert Material | Neoprene |
| Mounting Type | Screw Applied - Exp Screw, Surface Mounted |
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