NGP 176A 84 Overlapping Astrag...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$60.20
$45.08
NGP 176A Overlapping Astragal, 84", Anodized Aluminum

NGP 176A 84 Overlapping Astragal 84" Anodized Aluminum Door Trim

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Model: 176A 84

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

$60.20
$45.08
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NGP 176A Overlapping Astragal 84" Anodized Aluminum Door Trim

Professional Door Sealing Solution for Commercial Applications

The NGP 176A Overlapping Astragal provides reliable door sealing for commercial double door installations. This 84" anodized aluminum astragal is constructed from aluminum alloy 6063 with T5 temper for durability and corrosion resistance. Designed for square edge doors with a maximum height capacity of 120", this professional-grade door trim includes #10 X 3/4" SMS fasteners for secure installation.

Professional Features & Benefits

  • Optimal Length: 84" length accommodates standard commercial door heights with room for field trimming as needed.
  • Maximum Height Capacity: Supports doors up to 120" in height for versatile commercial applications.
  • Premium Aluminum Construction: Aluminum alloy 6063 with T5 temper provides exceptional strength and corrosion resistance for long-term performance.
  • Square Edge Door Compatibility: Specifically designed to fit square edge doors for proper sealing and alignment.
  • Complete Hardware Package: Includes #10 X 3/4" SMS fasteners for immediate installation without additional hardware purchases.
  • Durable Anodized Finish: Anodized aluminum surface provides superior weather resistance and maintains appearance over time.
  • Optional Fast Attach System: FATT (Fast Attach Tape) option available for alternative installation methods.

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: Astragals
  • Series: Overlapping Astragal Series
  • 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 astragal products deliver professional-grade reliability with aluminum alloy 6063 T5 temper construction rated for maximum 120" door heights. The anodized aluminum finish provides superior corrosion resistance and long-term durability. Engineered for demanding commercial applications where dependable door sealing performance is essential.

Product Specs

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

NGP 176A 84 – Frequently Asked Questions

1) Will the NGP 176A overlapping astragal fit a square edge door?
Square edge is exactly what the 176A is cut for. It's an overlapping astragal for commercial double doors, and it mounts to a square edge door face. If your doors are beveled or have a lock edge profile, this is the wrong shape and you'd want a different astragal style.
2) Does the NGP 176A astragal come with screws, or do I need to buy fasteners?
Fasteners are in the box. The 176A includes #10 x 3/4 inch sheet metal screws, so a hollow metal or wood double door install needs nothing else on the hardware side. NGP also offers a FATT fast attach tape option if you'd rather not drill the door face, but that's specified separately from the screws supplied.
3) What is the difference between an overlapping astragal and a split or T-astragal for a pair of doors?
An overlapping astragal like the NGP 176A mounts to one leaf and laps over the meeting edge of the other, so the inactive leaf has to close first and the pair swings in sequence. A split astragal, such as the Pemko 369, puts a piece on each leaf that meets in the middle, and a T-astragal like the Cal-Royal EAST-501 seats in the gap with a vinyl insert. Overlapping gives you the most positive cover of the meeting stile gap; split and T types are what you use when both leaves need to operate independently or when a coordinator isn't in the picture.
4) Is the Trimco 5001 a substitute for the NGP 176A on a pair of double doors?
They are not the same part despite sharing the word astragal. The Trimco 5001 is a lock astragal in stainless steel, intended for use with mortise or cylindrical locks, so it is a short piece of trim that works around the lock at the meeting stile. The NGP 176A is a full height overlapping astragal, 84 inches long in anodized aluminum alloy 6063 T5 temper, that runs the height of the leaf and closes the gap between the two doors for the whole opening. If the requirement is a sealed meeting stile top to bottom, the 176A is the part; the 5001 addresses the lock area, not the full height gap.
5) What is the difference between an overlapping astragal like the NGP 176A and a T-astragal like the Cal-Royal EAST-501?
Both mount on a double door pair, but they close the meeting stile differently. The NGP 176A is an overlapping astragal: it mounts to the inactive leaf and laps over the gap onto the active leaf, and it is built from aluminum alloy 6063 T5 temper with an anodized aluminum finish, sized 84 inches for square edge doors up to 120 inches tall. The Cal-Royal EAST-501 is an aluminum T-astragal with a vinyl insert, so the seal at the meeting stile is made by the vinyl bulb rather than by the aluminum lapping the opposite leaf. Choose the 176A where the aluminum leg itself is the closure over the gap, and the EAST-501 where a vinyl insert doing the sealing suits the pair.
6) The double doors move out of alignment seasonally and a rigid astragal will not stay tight to the other leaf. What should be used instead of the NGP 176A?
Look at the Pemko 300 Series adjustable astragal with self-adjusting pile brush. It is built to adjust for double door pairs, and the pile brush is self-adjusting, so it takes up variation at the meeting stile as the leaves shift. The NGP 176A is a fixed aluminum overlapping astragal in 6063 T5 temper with an anodized finish and no adjustable element, so it holds whatever lap it is installed at. On an opening where the pair moves, the 300 Series is the one built to follow it; on a pair that stays in alignment, the 176A's solid aluminum lap is the straightforward answer.
7) The door pair is fire rated. Can the NGP 176A overlapping astragal be used, or is a different astragal needed?
For a fire rated pair, the Pemko 369 split astragal seal is the one in the group carrying a fire rated designation. It is a split astragal, meaning a piece lands on each leaf rather than one piece lapping across, it carries a pile brush insert, and its aluminum section measures 13/32 inch by 11/32 inch. The NGP 176A is an anodized aluminum overlapping astragal in 6063 T5 temper sized for square edge doors up to 120 inches tall, and it is specified as a commercial door sealing product for double door installations. Where the label on the opening drives the hardware, the 369 is the fire rated split astragal to price against.
8) Will an aluminum astragal hold up on exterior double doors?
The 176A is extruded from 6063 aluminum in T5 temper with an anodized finish, which is the standard combination for exterior architectural trim, and anodizing resists corrosion without a coating that chips. NGP lists it as a commercial product, and it's used on office, school, healthcare, retail, industrial, government and multi-tenant residential openings.
9) Can I cut the NGP 176A astragal down to fit my door?
Yes. The 84 inch stick is aluminum extrusion and is meant to be field trimmed to the leaf height before mounting. Cut from the bottom, drill your own pilot holes if the trim removes the factory prep, and use the supplied #10 x 3/4 inch SMS to fasten.
10) My double doors have gone out of alignment and the gap varies top to bottom. Will the 176A still seal?
An overlapping astragal is a fixed extrusion, so it covers the gap but doesn't take up variation in it. If your leaves have drifted, the Pemko 300 Series adjustable astragal with a self-adjusting pile brush is built for that condition, and the Pemko 369 split astragal carries a pile brush insert that tolerates some movement. Use the 176A where the pair hangs true.
11) What is the difference between the Trimco 5001 and Trimco 5002 lock astragals?
The Trimco 5001 lock astragal in stainless steel is stated for use with mortise or cylindrical locks, so it covers both lock types. The Trimco 5002 lock astragal, also stainless steel, is stated for use with cylindrical locks and is sized 1-9/16 inches by 6 inches. If the pair carries a mortise lock, the 5001 is the one whose stated use includes it. Neither one performs the job of the NGP 176A, which is a full 84 inch overlapping astragal in anodized aluminum 6063 T5 temper for square edge doors up to 120 inches.
12) Which astragal options seal the meeting stile with a brush rather than with metal, and how do they compare to the NGP 176A?
Two in the group seal with pile brush. The Pemko 300 Series adjustable astragal uses a self-adjusting pile brush, and the Pemko 369 split astragal seal carries a pile brush insert in an aluminum section measuring 13/32 inch by 11/32 inch. The Cal-Royal EAST-501 T-astragal seals with a vinyl insert instead. The NGP 176A takes a different approach entirely: the anodized aluminum body in 6063 T5 temper overlaps the gap directly, with no brush or vinyl element, and it ships with #10 x 3/4 inch SMS fasteners for installation. A brush or vinyl seal flexes against the opposite leaf; the overlapping aluminum of the 176A physically covers the gap.
13) What finish does the NGP 176A astragal come in?
Anodized aluminum, and that's the only finish the 176A is built in. It's a mill-tone clear anodize over 6063 T5 extrusion, so it reads as plain aluminum against hollow metal or aluminum storefront doors rather than matching a painted or plated hardware finish.
How fast can I get the NGP 176A 84 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 176A 84 come with a warranty?
Absolutely. The NGP 176A 84 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 176A 84?
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 176A 84 from ZenSupply?
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Product Reviews

  • 5
    NGP 176A

    Posted by Gary on Dec 12th 2023

    The NGP Overlapping Astragal is robust and effectively seals doors, keeping drafts out—a significant benefit. However, I found the installation process a bit tricky due to the lack of detailed instructions, which might pose challenges for some users. Once properly installed, though, it does its job exceptionally well.

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