NGP 950SDBK ADA Compliant Bump...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$91.89
NGP 950SDBK ADA Compliant Bumper Threshold 5" x 1/2" Dark Bronze Finish with Silicone Seal

NGP 950SDBK ADA Compliant Bumper Threshold 5" x 1/2" Dark Bronze Finish with Silicone Seal

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Model: 950SDBK 36

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

$91.89
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NGP ADA Compliant Bumper Threshold 5" x 1/2" Dark Bronze Finish with Silicone Seal

Professional ADA-Compliant Threshold Solution

The NGP ADA Compliant Bumper Threshold delivers professional-grade door sealing performance with full ADA compliance for commercial applications. Constructed from aluminum alloy 6063 with T5 temper, this 5" wide x 1/2" tall threshold features a smooth top surface and includes an integrated silicone bumper seal. The dark bronze finish provides durability and aesthetic appeal while meeting stringent fire rating and accessibility requirements.

Professional Features & Benefits

  • ADA Compliant Design: 5" wide x 1/2" tall profile meets ADA Standard for Accessible Design and ICC/ANSI A117.1 requirements for barrier-free accessibility.
  • Heavy-Duty Construction: Aluminum alloy 6063 with T5 temper provides exceptional durability and corrosion resistance for long-term commercial performance.
  • Fire Rating Certifications: UL certified to CAN/ULC-S104 and ANSI/UL10B for hollow metal fire doors up to 3 hours and wood fire doors up to 90 minutes.
  • Positive Pressure Rating: UL certified to ANSI/UL10C with compliance to IBC, NFPA 80, and NFPA 252 for enhanced fire protection performance.
  • Integrated Sealing System: Includes silicone bumper seal for excellent weather sealing and compatibility with automatic door bottoms.
  • Complete Installation Package: Furnished with #10 x 1-1/2" FH zinc plated wood screws for secure mounting and professional installation.
  • Acoustical Performance: Tested to ASTM E90 and ASTM E2235 standards for sound transmission loss and decay rate performance.
  • Professional Finish: Dark bronze finish provides attractive appearance and enhanced durability for high-traffic commercial environments.

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: Bumper Seal Thresholds
  • 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 T5 temper construction and comprehensive fire rating certifications including UL certification to multiple standards. Acoustically tested to ASTM E90 and E2235 standards with full ADA compliance certification. Engineered for demanding commercial applications where dependable sealing performance and code compliance are essential.

Manufacturer Resources

NGP Threshold Catalog

Product Specs

Product Group:
Door Trim and Accessories
Product Subgroup:
Door Thresholds
Product Type:
Bumper Seal Thresholds
Subcategory:
Thresholds
Commercial/Residential:
Commercial
Product Category:
Door Trim and Accessories
Department:
Door Hardware

NGP 950SDBK 36 – Frequently Asked Questions

1) Will the NGP 950SDBK threshold meet ADA accessibility requirements for a barrier-free opening?
Yes. The 950SDBK bumper threshold has a 5 inch wide by 1/2 inch tall profile, and at 1/2 inch it meets the ADA Standard for Accessible Design and ICC/ANSI A117.1 for barrier-free openings. That half-inch height is the reason it works on an accessible door: anything taller becomes a trip and wheelchair obstacle. For institutional buyers standardizing across a facility, the same profile carries through all three lengths offered.
2) Can the NGP 950SDBK bumper threshold be used on a fire rated door opening?
Fire rated, yes. The 950SDBK is UL certified to CAN/ULC-S104 and ANSI/UL10B for hollow metal fire doors up to 3 hours and wood fire doors up to 90 minutes. It is also UL certified to ANSI/UL10C for positive pressure, with compliance to IBC, NFPA 80 and NFPA 252. That covers the two things an inspector checks on a rated opening: the hourly rating of the door type and the positive pressure test standard.
3) What length threshold do I need for a 36 inch door, and what if the opening is a pair of doors?
The 950SDBK comes in 36, 48 and 72 inch lengths. A standard 36 inch single door leaf takes the 36 inch piece cut to the frame opening; a 48 inch length covers wider single leaves. For a pair of doors, the 72 inch length spans both leaves so you are not butting two pieces together in the middle of the opening. Thresholds are routinely cut down on site, so order the next length up from your measured frame width rather than under.
4) Does the NGP 950SDBK threshold come with fasteners, or do I need to buy screws separately?
Screws are included. The 950SDBK is furnished with #10 x 1-1/2 inch flat head zinc plated wood screws. Note the type: those are wood screws, so they land straight into a wood subfloor or wood sill. If you are setting this on concrete you will need anchors or masonry fasteners in addition, since the supplied screws will not hold in slab.
5) What does the bumper seal on this NGP threshold actually do, and do I still need a door bottom?
The silicone bumper seal sits in the threshold and the door bottom closes against it, sealing the gap at the sill against weather, air and sound. NGP states the seal is compatible with automatic door bottoms, so you can pair the 950SDBK with an ADB on the door and get a two-part seal at the sill. On a plain door with no bottom seal, the bumper alone does the sealing where the leaf contacts it.
6) Is a bumper seal threshold the right choice, or should I use a plain saddle threshold?
A bumper seal threshold like the 950SDBK is what you want when the opening has to seal, exterior doors, sound rated rooms, or anywhere you are controlling air and weather at the sill. The silicone bumper gives the door leaf something to close against. A plain saddle threshold with a smooth top and no seal is the simpler pick for an interior opening where you are only covering a floor transition and there is nothing to seal out. Choosing the bumper version on a purely interior transition adds a seal that nothing bears on.
7) Will the NGP 950SDBK hold up outdoors and in a high traffic commercial entrance?
It is built from 6063 aluminum alloy with T5 temper, an extrusion alloy with good corrosion resistance, which is why it holds up at an exterior sill where salt, water and cleaning chemicals hit it. The dark bronze finish is applied for durability as well as appearance. NGP lists it for commercial use in office buildings, schools, healthcare, retail, industrial and warehouse facilities, multi-tenant residential and government buildings.
8) I need a threshold for a sound rated door assembly. Has the NGP 950SDBK been acoustically tested?
Yes. The 950SDBK has been tested to ASTM E90 for sound transmission loss and ASTM E2235 for decay rate. Those are the two tests an acoustic consultant asks for on a sill detail. Pair it with a door bottom bearing on the silicone bumper to close the gap at the floor, which is where most of the flanking sound on a rated door assembly gets through.
9) Will the NGP 950SDBK dark bronze threshold match the bronze hardware already on my other doors?
The 950SDBK is finished in dark bronze across all three lengths, so a building standardizing on dark bronze door hardware gets a consistent look at every sill. If your existing thresholds are mill finish or clear anodized aluminum, this one will read noticeably darker beside them, so replacing a single threshold in a run of aluminum ones will stand out.
How fast can I get the NGP 950SDBK 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 950SDBK 36 come with a warranty?
Absolutely. The NGP 950SDBK 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 950SDBK 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 950SDBK 36 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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