NGP 137NDKB 96 Neoprene Bulb P...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$143.26
NGP 137NDKB Neoprene Bulb Perimeter Seal, 96" Dark Bronze Finish

NGP 137NDKB 96 Neoprene Bulb Perimeter Seal with Dark Bronze Finish - 96" Length

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Model: 137NDKB 96
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$143.26
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NGP Neoprene Bulb Perimeter Seal with Dark Bronze Finish - 96" Length

Professional Door Weatherization Solution

The NGP Neoprene Bulb Perimeter Seal delivers superior weatherproofing performance with a 96" length and dark bronze finish. Constructed from aluminum alloy 6063 T5 temper with synthetic EPDM rubber in polypropylene thermoplastic matrix, this seal operates reliably across temperature ranges from -81 F to 275 F. BHMA certified to ANSI/BHMA A156.22 performance tests for heat and cold, ensuring professional-grade durability for commercial applications.

Professional Features & Benefits

  • 96" Length Coverage: Extended length provides comprehensive perimeter sealing for standard commercial door applications with minimal joints.
  • Temperature Performance: Operates effectively from -81 F to 275 F for reliable performance in extreme climate conditions.
  • Premium Construction: Aluminum alloy 6063 T5 temper base with synthetic EPDM rubber in polypropylene thermoplastic matrix for exceptional durability.
  • Superior Material Properties: Very good abrasion resistance, tensile strength and memory retention for long-term sealing effectiveness.
  • Weather Resistance: Flame-resistant and moisture-resistant construction with good resistance to ozone, sunlight and aging.
  • BHMA Certification: Certified to ANSI/BHMA A156.22 performance tests for heat and cold compliance in commercial applications.
  • Professional Installation Hardware: Includes #6 x 3/4" stainless steel sheet metal screws with slotted screw holes for precise adjustment during installation.
  • Dark Bronze Finish: Attractive dark bronze finish coordinates with commercial door hardware and architectural elements.

Technical Specifications

  • Commercial/Residential: Commercial
  • Department: Door Hardware
  • Product Category: Door Trim and Accessories
  • Product Group: Door Trim and Accessories
  • Product Subgroup: Astragals, Gaskets and Weatherstripping
  • Product Type: Gasketing
  • Subcategory: Gaskets & Weatherstripping

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose NGP Quality?

NGP perimeter seals deliver professional-grade weatherization with aluminum alloy 6063 T5 temper construction and synthetic EPDM rubber rated for -81 F to 275 F temperature performance. BHMA certified to ANSI/BHMA A156.22 performance standards with superior abrasion resistance and memory retention. Engineered for demanding commercial applications where reliable environmental sealing and long-term durability are essential.

Product Specs

Product Group:
Door Trim and Accessories
Product Subgroup:
Astragals, Gaskets and Weatherstripping
Product Type:
Gasketing
Subcategory:
Gaskets & Weatherstripping
Commercial/Residential:
Commercial
Product Category:
Door Trim and Accessories
Department:
Door Hardware

NGP 137NDKB 96 – Frequently Asked Questions

1) How does the NGP 137NDKB bulb seal mount to the frame, and does it come with fasteners?
It is an aluminum retainer that screws to the face of the stop, and the fasteners are in the box: #6 x 3/4 inch stainless steel sheet metal screws. The screw holes are slotted, so you can shift the retainer in or out against the door face to set bulb compression after the door is hung rather than being locked into the first hole you drilled.
2) Will a neoprene bulb seal hold up on an exterior door in a cold climate or a hot loading dock?
The 137NDKB seal is rated from -81 F to 275 F, and NGP has it BHMA certified to the ANSI/BHMA A156.22 heat and cold performance tests. That covers freezer vestibules, unconditioned dock doors and northern exteriors without the bulb going stiff and losing its seal in winter or taking a set in summer heat.
3) Does perimeter gasketing seal the bottom of the door too?
No. The 137NDKB handles the head and the two jambs only, where it screws to the stop. The gap under the door is a separate item, either a door sweep, a door shoe or an automatic door bottom depending on the threshold and whether you need a smoke or sound seal at the sill. Order that separately to finish the opening.
4) What is the difference between the NGP 137NDKB neoprene bulb perimeter seal and the Cal-Royal PG-601 perimeter gasketing?
Both are surface-applied perimeter gasketing that mounts to the door frame stop to seal the head and jambs. The NGP 137NDKB uses an aluminum alloy 6063 T5 temper retainer with a synthetic EPDM rubber bulb in a polypropylene thermoplastic matrix, rated from -81 F to 275 F and BHMA certified to the ANSI/BHMA A156.22 heat and cold performance tests. The Cal-Royal PG-601 is an aluminum channel carrier with a vinyl insert rather than a rubber bulb. If the spec on the drawing calls for a compression bulb seal with a stated temperature range, the 137NDKB is the one that carries that data; for a plain vinyl-insert channel the PG-601 is the corresponding part.
5) Is dark bronze the only finish on the NGP 137NDKB, and will it match my bronze door hardware?
Dark bronze is the finish this one ships in, which is the standard match for bronze anodized aluminum entrances and dark bronze door hardware. If you are standardizing a building on one look, a bronze perimeter seal on the stop reads as part of the frame instead of a bright aluminum stripe.
6) Bulb seal or a vinyl insert channel gasket, which should I use on a commercial frame?
A bulb seal like the 137NDKB uses a compressible EPDM tube that squashes against the door face, so it tolerates a door that does not sit perfectly flat against the stop and it keeps sealing as the door settles. A channel gasket with a flat vinyl insert, such as the Cal-Royal PG-601 aluminum channel perimeter gasketing, is the flatter profile option for openings where projection off the stop needs to stay minimal. Both screw to the stop; the bulb gives you more forgiveness on an out of true opening.
7) Is there a simpler perimeter gasket to use where an EPDM bulb seal is more than the opening needs?
For interior openings that only need light contact and dust control rather than full weather sealing, the Cal-Royal PG-601 aluminum channel perimeter gasketing with a vinyl insert covers the same head-and-jamb application in a simpler carrier-plus-insert build. The NGP 137NDKB is the heavier-duty choice for exterior and climate-exposed openings, with an EPDM rubber bulb rated -81 F to 275 F and flame-resistant, moisture-resistant construction with good resistance to ozone, sunlight and aging. Both mount to the stop, so the choice is about how much sealing and exposure the opening actually sees.
8) Will a door shoe work in place of the NGP 137NDKB perimeter seal?
No. The NGP 137NDKB is perimeter gasketing that mounts on the frame at the head and jambs and seals against the face or edge of the door leaf with a neoprene-style EPDM bulb. A door shoe mounts on the bottom of the door itself and seals to the threshold, which is a different gap entirely. The Cal-Royal PG-601 is the true like-for-like perimeter gasketing comparison, since it is also an aluminum channel carrier for the frame perimeter. On a full weatherization package you typically need both a perimeter seal and a bottom seal, not one in place of the other.
9) For a healthcare or school facility standardizing on one perimeter seal, which option carries a written performance certification?
The NGP 137NDKB is BHMA certified to the ANSI/BHMA A156.22 performance tests for heat and cold, which is the citation an institutional spec or submittal usually asks for on gasketing, and it is rated for commercial use across office, educational, healthcare, retail, industrial, multi-tenant residential and government facilities. It ships with #6 x 3/4 inch stainless steel sheet metal screws and slotted screw holes so the seal can be adjusted for compression at each opening. The Cal-Royal PG-601 is the adjacent aluminum channel perimeter gasket with a vinyl insert if a submittal does not require the A156.22 citation.
10) What is the NGP 137NDKB seal actually made of?
The retainer is 6063 T5 temper aluminum alloy, and the sealing element is synthetic EPDM rubber in a polypropylene thermoplastic matrix. That combination is what gives it the abrasion resistance and memory retention NGP cites, plus good resistance to ozone, sunlight and aging. It is also flame resistant and moisture resistant.
11) Is the NGP 137NDKB rated for commercial use or is it a residential weatherstrip?
This is a commercial spec seal, not a hardware store weatherstrip. NGP builds it for office buildings, schools, hospitals, retail, warehouses, multi tenant residential and government facilities, and backs it with BHMA certification to A156.22. For a property manager standardizing perimeter gasketing across a portfolio of openings, it is the same part you would put on every exterior door in the building.
How fast can I get the NGP 137NDKB 96 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the NGP 137NDKB 96 come with a warranty?
Absolutely. The NGP 137NDKB 96 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the NGP 137NDKB 96?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the NGP 137NDKB 96 from ZenSupply?
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