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National Guard Products 134NA Neoprene Bulb Perimeter Weatherstrip Head-and-Jamb Set — Anodized Aluminum
The National Guard Products (NGP) 134NA Neoprene Bulb Perimeter Weatherstrip is a professional-grade, screw-applied head-and-jamb perimeter seal set finished in Anodized Aluminum with a black neoprene bulb insert. Engineered for demanding commercial and institutional door openings, each set includes one head piece and two jamb pieces sized to fit the selected opening, and is surface applied directly to the frame stop using the furnished stainless steel screws. The 134NA is available in 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 suitable for single doors, pairs, and oversized commercial openings. This is a made-to-order product with a lead time of 10–15 business days. The 134NA carries UL certifications for fire-rated hollow metal doors up to 3 hours and fire-rated wood doors up to 90 minutes, and is BHMA Certified to ANSI/BHMA A156.22, making it a code-compliant solution for fire door perimeter sealing, smoke and draft control, and air infiltration control.
High-Performance Perimeter Weatherstrip Features
- Aluminum Alloy 6063-T5 Extrusion: A commercial-grade alloy and temper chosen for its strength, corrosion resistance, and ability to accept a quality anodized finish — ideal for high-traffic door frames.
- Neoprene Bulb Seal (EPDM in Polypropylene Thermoplastic Matrix): The synthetic EPDM rubber bulb is carried in a polypropylene thermoplastic matrix, delivering very good abrasion resistance, tensile strength, and memory so the seal returns to shape after each door cycle.
- Flame-Resistant and Moisture-Resistant Gasket: The neoprene compound is formulated to be flame-resistant and moisture-resistant, supporting fire door compliance and exterior or high-humidity applications.
- Extreme Temperature Performance: Rated for a temperature range of −81°F to 275°F, the gasket maintains its seal in cold storage, exterior, and high-temperature fire-rated applications.
- Ozone, Sunlight, and Aging Resistance: Good resistance to ozone, UV exposure, and long-term aging keeps the bulb seal functional over the life of the door opening without premature cracking or hardening.
- UL Certified — Fire-Rated Door Applications: Certified by UL to CAN/ULC-S104 and ANSI/UL 10B (neutral pressure) and to ANSI/UL 10C (positive pressure), complying with NFPA 80 and NFPA 252 for hollow metal fire doors up to 3 hours and wood fire doors up to 90 minutes.
- Smoke & Draft Control Gasketing: Certified by UL to ANSI/UL 10C and ANSI/UL 1784 Category H, complying 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.
- BHMA Certified to ANSI/BHMA A156.22: Independently certified and listed in the BHMA Certified Products Directory, confirming compliance with the American National Standard for Door Gasketing and Edge Sealing Systems, including heat and cold performance tests.
- Recommended for Air Infiltration Control: Specified as a recommended product for minimum air leakage and a tight seal around the perimeter of doors, supporting energy-efficient and code-compliant building envelopes.
- Slotted Screw Holes for Field Adjustment: Screw holes are slotted to allow fine positional adjustment during installation, ensuring consistent compression of the neoprene bulb around the full door perimeter.
- Furnished Stainless Steel Screws: #6 x 3/4" stainless steel sheet metal screws are included with each set, providing corrosion-resistant fastening without a separate hardware order.
- Head-and-Jamb Set for Five Opening Sizes: Sold as a complete three-piece set (head + 2 jambs) in opening sizes 3’0x7’0, 4’0x7’0, 6’0x7’0, 6’0x8’0, and 8’0x8’0 to cover single, pair, and oversized commercial openings.
Technical Details
| Manufacturer | National Guard Products (NGP) |
| Model Number | 134NA |
| Product Type | Neoprene Bulb Perimeter Weatherstrip — Head-and-Jamb Set |
| Finish | Anodized Aluminum |
| Seal / Insert Color | Black Neoprene |
| Profile Section (Typical) | 7/8" x 5/16" |
| Set Configuration | 1 Head + 2 Jambs (3-piece 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 Method | Surface applied to the frame stop |
| Fasteners Furnished | #6 x 3/4" Stainless Steel Sheet Metal Screws |
| Screw Holes | Slotted for adjustment |
| Extrusion Alloy / Temper | Aluminum Alloy 6063, T5 Temper |
| Gasket Material | Synthetic EPDM Rubber in Polypropylene Thermoplastic Matrix |
| Temperature Range | −81°F to 275°F |
| Flame Resistant | Yes |
| Moisture Resistant | Yes |
| Ozone / UV / Aging Resistance | Good |
| UL Certifications | CAN/ULC-S104 & ANSI/UL 10B (neutral pressure); ANSI/UL 10C (positive pressure); ANSI/UL 1784 Category H (smoke & draft) |
| Fire Door Compliance | NFPA 80, NFPA 252 — Hollow Metal up to 3 hrs.; Wood up to 90 min. |
| Smoke & Draft Compliance | IBC, NFPA 105 — ‘S’-labeled Positive Pressure HM up to 3 hrs.; Wood up to 90 min. |
| BHMA Certification | ANSI/BHMA A156.22 — Listed in BHMA Certified Products Directory |
| Availability | Made to Order |
| Lead Time | 10–15 Business Days |
Pro-Tip for Perimeter Sealing
The 134NA installs surface-applied to the frame stop on the head and both jambs. The slotted screw holes allow you to shift the retainer in or out after snugging the furnished #6 x 3/4" stainless steel sheet metal screws, so you can fine-tune neoprene bulb compression around the entire perimeter before final tightening. Install the head piece first, then the jambs, trimming length as needed for a clean mitered or butted corner. Because the set is sized by opening (3’0 through 8’0 widths, 7’0 or 8’0 heights), select the option that matches the actual door opening — not the door slab size — to ensure the furnished lengths reach corner to corner without waste.
| 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 | Aluminum |
| Smoke Rated | Smoke Rated |
| Weatherstripping Type | Perimeter Gasketing |
| Housing Size | 7/8" x 5/16" |
| 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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