NGP 8135V 1/2" Bumper Seal Thr...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$62.94
NGP 8135V 1/2" Bumper Seal Threshold with Vinyl Seal - 3-3/4" Wide Aluminum

NGP 8135V 1/2" Bumper Seal Threshold with Vinyl Seal - 3-3/4" Wide Aluminum

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Model: 8135V 36

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

$62.94
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NGP 1/2" Bumper Seal Threshold with Vinyl Seal - 3-3/4" Wide Aluminum

Fire-Rated Door Threshold with Integrated Vinyl Seal

The NGP 1/2" Bumper Seal Threshold combines durable aluminum construction with an integrated vinyl seal for comprehensive door bottom sealing. Measuring 3-3/4" wide x 1/2" tall, this threshold is manufactured from aluminum alloy 6063 with T5 temper and features a smooth top surface with .115" typical wall thickness. Certified for fire-rated applications up to 3 hours on hollow metal doors and 90 minutes on wood fire doors, meeting UL 10B, UL 10C, and NFPA standards.

Professional Features & Benefits

  • Precise Dimensions: 3-3/4" wide x 1/2" tall profile designed for standard door applications with smooth top surface for easy passage.
  • Heavy-Duty Construction: Aluminum alloy 6063 with T5 temper provides exceptional durability and corrosion resistance for long-term performance.
  • Fire-Rated Certification: UL certified to CAN/ULC-S104, ANSI/UL10B, and ANSI/UL10C standards for fire doors rated up to 3 hours (hollow metal) and 90 minutes (wood).
  • ANSI/BHMA Compliance: Certified to ANSI/BHMA A156.21 with 1,000 lb. load test rating and listed in BHMA Certified Products Directory.
  • Air Infiltration Performance: Tested to ASTM E283 standard for determining air leakage rates through exterior doors and windows.
  • Integrated Vinyl Seal: Black vinyl bumper seal provides effective weather sealing and sound dampening at door bottom.
  • Complete Installation Kit: Includes #10 x 1-1/2" FH zinc plated wood screws for secure mounting (dark bronze screws supplied with DKB finish thresholds).
  • Optional Slip-Resistant Finish: SIA finish available for enhanced safety in high-traffic applications.

Technical Specifications

  • Commercial/Residential: Commercial
  • Department: Door Hardware
  • Product Category: Door Trim and Accessories
  • Product Group: Door Trim and Accessories
  • Product Subgroup: Door Thresholds
  • Product Type: Thresholds - Saddle
  • Series: Saddle Threshold Series
  • Subcategory: Thresholds

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 threshold products deliver professional-grade reliability with aluminum alloy 6063 construction and T5 temper rating for demanding commercial applications. UL certified for fire-rated doors up to 3 hours and ANSI/BHMA certified with 1,000 lb. load test performance, these thresholds are engineered for dependable long-term service where code compliance and durability are essential.

Manufacturer Resources

NGP Threshold Catalog

Product Specs

Product Group:
Door Trim and Accessories
Series:
Saddle Threshold Series
Product Subgroup:
Door Thresholds
Product Type:
Thresholds - Saddle
Subcategory:
Thresholds
Commercial/Residential:
Commercial
Product Category:
Door Trim and Accessories
Department:
Door Hardware

NGP 8135V 36 – Frequently Asked Questions

1) Will the NGP 8135V threshold work under a 3-hour rated hollow metal door?
Yes. The 8135V bumper seal threshold is UL certified for fire doors rated up to 3 hours on hollow metal, and up to 90 minutes on wood fire doors. The certifications cited are CAN/ULC-S104, ANSI/UL 10B and ANSI/UL 10C. If the opening is a wood fire door with a rating above 90 minutes, this is the wrong threshold for it.
2) How wide and how tall is the NGP 8135V saddle threshold, and will a 1/2 inch rise clear an existing door bottom?
The 8135V measures 3-3/4 inches wide by 1/2 inch tall with a smooth top surface. That 1/2 inch height is the rise the door bottom has to clear, so undercut the door or set the sweep to suit. It is a saddle profile, not a flat plate, so the vinyl bumper sits proud of the top surface to meet the door.
3) What fasteners come with the NGP 8135V threshold, or do I need to buy anchors separately?
Mounting screws are in the box: #10 x 1-1/2 inch flat head zinc plated wood screws. Order the threshold in the DKB finish and the screws come dark bronze to match. Those are wood screws, so a concrete or masonry sill needs anchors sourced separately for that substrate.
4) What is the closest equivalent to the NGP 8135V for a 3-hour fire rated opening?
The NGP 8135V itself is certified for fire doors rated up to 3 hours on hollow metal and 90 minutes on wood, tested to CAN/ULC-S104, ANSI/UL10B and ANSI/UL10C. If you are cross-referencing, the Cal-Royal CR3700 saddle threshold series is described as carrying a 3-hour positive pressure fire rating, and the Cal-Royal CR2000 saddle threshold series is described as fire rated. The CR3700 is the closer match on the positive pressure point, so on an opening where the door assembly listing calls out positive pressure, compare the CR3700 against the 8135V and verify both against the door manufacturer's listing for your assembly.
5) What length does the NGP 8135V bumper seal threshold come in, and can it be cut down for a narrower opening?
It is supplied in a 36 inch length, which covers a standard 3-0 single door opening. Aluminum extrusion cuts cleanly with a carbide blade, so trimming to a tighter frame-to-frame dimension on site is routine work. Cut to fit between the jambs, then lay out the screw holes off the finished length.
6) What is the vinyl insert on the 8135V threshold actually for?
The black vinyl bumper runs the length of the threshold and takes the contact from the door bottom. It closes the gap at the sill for weather sealing and dampens sound, and it is the wear item, the aluminum body underneath does not take the beating. The assembly was tested to ASTM E283 for air leakage through the opening.
7) Is the NGP 8135V aluminum tough enough for an exterior entrance in a high traffic building?
The extrusion is aluminum alloy 6063 with T5 temper and a .115 inch typical wall thickness, which is what gives it corrosion resistance at an exterior sill. For lobbies, schools and healthcare corridors where the sill gets wet, the SIA slip resistant finish is the option to specify instead of the plain mill top.
8) What else does ZenSupply carry if the NGP 8135V does not suit the opening?
Two Cal-Royal saddle thresholds cover the same ground. The CR3700 Series is the closer match if the spec calls for a 3 hour positive pressure fire rating. The CR2000 Series is the one to look at when the drawing requires an ADA compliant saddle. For a low profile transition with no seal built in, the Pemko 272 Series is the 1/4 inch by 6 inch flat saddle.
9) Can I standardize the NGP 8135V across every exterior door in my building?
For commercial openings, yes, that is what it is built for: offices, schools, healthcare, retail, warehouse, multi-tenant residential and government buildings. Two things vary door to door. Openings wider or narrower than the 36 inch supplied length need the extrusion cut to the frame dimension, and any wood fire door rated over 90 minutes falls outside what the 8135V is certified for.
10) Cal-Royal CR2000 vs CR3700 vs NGP 8135V - how do I choose for a fire door?
All three are saddle thresholds suited to fire rated openings. The NGP 8135V is 3-3/4 inch wide by 1/2 inch tall extruded from 6063-T5 aluminum with a .115 inch typical wall, carries an integrated vinyl bumper seal, and is UL certified to CAN/ULC-S104, UL10B and UL10C for up to 3 hours on hollow metal and 90 minutes on wood, plus ANSI/BHMA A156.21 with a 1,000 lb load test. The Cal-Royal CR3700 series is described as carrying a 3-hour positive pressure fire rating. The Cal-Royal CR2000 series is described as fire rated and ADA compliant, so it is the one to look at when the accessibility call-out sits alongside the fire rating. Match the choice to which of the three call-outs on your drawing - seal, positive pressure, or ADA - is the governing one.
11) Is a saddle threshold with a vinyl seal the same thing as a door sweep?
No, and they are commonly confused when someone is sourcing a replacement. The NGP 8135V is the aluminum piece that mounts to the floor across the opening, 3-3/4 inch wide by 1/2 inch tall in 6063-T5 alloy, and the black vinyl on it is a bumper the closed door presses against. A sweep mounts to the door itself and travels with it. The Cal-Royal CR2000 and CR3700 series and the Pemko 272 series are all floor-mounted saddle thresholds like the 8135V, not door-mounted parts. If what failed on your opening was attached to the bottom of the door leaf, a threshold is not the replacement you are looking for.
12) For a high traffic entrance where I am standardizing thresholds across a building, what should I weigh against the NGP 8135V?
The NGP 8135V is certified to ANSI/BHMA A156.21 with a 1,000 lb load test rating and is listed in the BHMA Certified Products Directory, it is built from 6063-T5 aluminum with a .115 inch typical wall, and an SIA slip-resistant finish is available for high-traffic openings. Screws come in the box - #10 x 1-1/2 inch flat head zinc plated wood screws, with dark bronze screws on DKB finish thresholds. If part of your standard is a low flat crossing at wide sills, the Pemko 272 series heavy-duty aluminum flat saddle at 1/4 inch by 6 inch covers that condition, and the Cal-Royal CR2000 series covers openings where you want fire rated and ADA compliant in the same profile. Many facilities carry two profiles: a sealed one for exterior openings and a flat one for interior crossings.
How fast can I get the NGP 8135V 36 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 8135V 36 come with a warranty?
Absolutely. The NGP 8135V 36 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 8135V 36?
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 8135V 36 from ZenSupply?
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