NGP 9800GR Edge Intumescent Fi...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
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NGP Edge Intumescent Fire Seal, Gray Finish

NGP 9800GR Edge Intumescent Fire Seal with Gray Finish - 1/2" x 1/16" UL Certified

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Model: 9800GR36

In Stock (leaves warehouse same day if ordered before 3pm ET)

$10.93
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NGP Edge Intumescent Fire Seal with Gray Finish - 1/2" x 1/16" UL Certified

Professional Fire-Rated Door Sealing Solution

The NGP Edge Intumescent Fire Seal provides critical fire protection for wood fire doors with UL certification to ANSI/UL10C Category "G" standards. This 1/2" wide x 1/16" tall intumescent seal expands at 275 F up to 20 times its original thickness to completely seal gaps around and between doors during fire conditions. The gray finish seal features moisture-resistant construction with modified acrylic pressure-sensitive adhesive for permanent mounting in both interior and exterior locations.

Professional Features & Benefits

  • Fire-Rated Expansion: Intumescent materials expand at 275 F up to 20 times original thickness for complete gap sealing during fire conditions.
  • Precise Dimensions: 1/2" wide x 1/16" tall profile designed for optimal performance in fire door applications.
  • UL Certified Performance: Certified by UL to ANSI/UL10C Category "G" and CAN/ULC-S104 standards for wood fire doors rated up to 90 minutes.
  • Positive Pressure Compliance: Meets positive pressure requirements complying with IBC, NFPA 80, and NFPA 252 standards.
  • Weather-Resistant Adhesive: Modified acrylic pressure-sensitive adhesive provides high initial adhesion and long-term holding power with resistance to aging, weathering, UV radiation, water, detergent, alcohol, and chemicals.
  • Temperature Range: End use temperature range of -30 F up to 250 F for long-term exposure applications.
  • Flexible Ordering: Sold by the foot with 3' minimum order to 490' reel for project-specific requirements.
  • Environmental Compliance: REACH and RoHS compliant materials with one-year shelf life when stored at 75 F and 50% relative humidity or less.

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
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings
  • Fire-Rated Door Assemblies

Why Choose NGP Quality?

NGP Edge Intumescent Fire Seals deliver professional-grade fire protection with UL certification to multiple standards including ANSI/UL10C Category "G" and CAN/ULC-S104. The moisture-resistant construction and chemical-resistant adhesive system provide reliable long-term performance in demanding commercial fire door applications. Engineered for compliance with IBC, NFPA 80, and NFPA 252 requirements where dependable fire protection is 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 9800GR36 – Frequently Asked Questions

1) Will the NGP 9800GR intumescent seal work on a steel fire door, or is it only for wood doors?
The 9800GR edge seal is UL certified to ANSI/UL10C Category "G" and CAN/ULC-S104 for wood fire doors rated up to 90 minutes. That is the listed application. If your opening is a hollow metal door assembly, this certification does not cover it, and you should be specifying a seal listed for that assembly instead.
2) How wide a kerf or groove do I need to install the NGP 9800GR fire seal?
The seal profile is 1/2 inch wide by 1/16 inch tall, so it is a surface-applied adhesive strip, not a kerf-in product. You need 1/2 inch of flat, clean surface on the door edge or the frame stop to land it on. The 1/16 inch height means it adds almost nothing to the gap when cold, so it does not change how the door closes.
3) Does the NGP 9800GR meet positive pressure fire door requirements?
Yes. The 9800GR meets positive pressure requirements and complies with IBC, NFPA 80, and NFPA 252. That is the reason this type of edge seal gets specified in the first place: positive pressure testing is what drove intumescent edge seals onto wood fire door assemblies.
4) Can Cal-Royal PG-601 aluminum channel perimeter gasketing be used in place of the NGP 9800GR intumescent fire seal?
No - they do different jobs on the frame. The NGP 9800GR is an edge intumescent fire seal, 1/2 inch wide by 1/16 inch tall, that expands at 275 F up to 20 times its thickness to close the gap around and between wood fire doors, and it is UL certified to ANSI/UL10C Category G and CAN/ULC-S104 for ratings up to 90 minutes with positive pressure compliance under IBC, NFPA 80 and NFPA 252. The Cal-Royal PG-601 is aluminum channel perimeter gasketing with a vinyl insert - a mechanically fastened housing carrying a flexible seal, which addresses smoke, air and light infiltration rather than expanding under fire. If the door schedule calls for an intumescent seal on a rated wood door, the 9800GR is what satisfies it; PG-601 gasketing does not expand and is a separate line item, not a swap.
5) How does an intumescent fire seal actually seal the gap around a door?
It does nothing until there is a fire. The 9800GR expands at 275 F to as much as 20 times its original thickness, filling the clearance around and between the doors so smoke and flame cannot pass through the gap. Under normal conditions it is a 1/16 inch strip that the door swings past without touching, which is why it will not affect latching or closing effort the way a compression gasket can.
6) Can I use the NGP 9800GR intumescent seal on an exterior door that gets weather?
Yes. The 9800GR is moisture resistant and its modified acrylic pressure-sensitive adhesive is rated for both interior and exterior mounting, with resistance to aging, weathering, UV, water, detergent, alcohol, and chemicals. End use temperature range runs from -30 F to 250 F for long-term exposure, which covers exterior openings in cold climates.
7) Is an intumescent seal the same thing as perimeter weatherstripping, or do I need both?
They do different jobs. The 9800GR is a life-safety product, dormant until 275 F and then expanding to choke off the gap. It does not stop drafts, light, or sound day to day. Perimeter gasketing like the Cal-Royal PG-601 aluminum channel with a vinyl insert is what seals the opening under normal conditions. On a fire-rated exterior opening you often want both: the intumescent strip for the rating and a compression gasket for weather and smoke.
8) The frame needs both a fire seal and perimeter weatherstripping - do the NGP 9800GR and Cal-Royal PG-601 conflict on the same jamb?
They are complementary rather than competing. The NGP 9800GR is a low-profile adhesive-applied seal, 1/2 inch wide by 1/16 inch tall, mounted with a modified acrylic pressure-sensitive adhesive rated for an end-use range of -30 F to 250 F, so it sits flat on the door edge or stop face without a housing. The Cal-Royal PG-601 is an aluminum channel with a vinyl insert, which occupies the stop face and is fastened through the channel. On an opening that needs both intumescent protection and perimeter sealing, plan the stop face so the channel gasketing has its fastening run and the 1/16 inch intumescent tape has clean, undisturbed substrate for the adhesive - the 9800GR is sold by the foot from a 3 foot minimum up to a 490 foot reel, so the run can be cut to whatever the channel leaves.
9) Can I paint over the NGP 9800GR fire seal to match my door frames?
The gray finish is what the 9800GR ships in, and it is a low-profile 1/16 inch strip that mostly disappears in the rabbet. Painting an intumescent seal is not something the product data supports, so treat the gray as the finished appearance. If the frame color matters on a visible edge, plan the placement on the hinge-side stop where the strip sits out of sight line.
10) How should the NGP 9800GR intumescent seal be stored before installation?
Shelf life is one year when stored at 75 F and 50 percent relative humidity or less. That matters if you are buying reel quantities for a phased job: adhesive strips that sit in a hot trailer through a summer lose the initial tack the acrylic adhesive depends on. Buy to the phase you are installing, not the whole building at once.
11) Is the NGP 9800GR seal REACH and RoHS compliant for a government or institutional spec?
Yes, the 9800GR is made from REACH and RoHS compliant materials. Paired with the UL certification to ANSI/UL10C Category "G" and CAN/ULC-S104, that covers the two things institutional and government submittals usually ask for on a gasketing line item.
How fast can I get the NGP 9800GR36 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 9800GR36 come with a warranty?
Absolutely. The NGP 9800GR36 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 9800GR36?
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 9800GR36 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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