NGP A635 84 Mortised Nylon Bru...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$63.95
NGP A635 84 Mortised Nylon Brush Astragal 84" Mill Aluminum with Temperature Range -70 F to 425 F

NGP A635 84 Mortised Nylon Brush Astragal 84" Mill Aluminum with Temperature Range -70 F to 425 F

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Model: A635 84

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

$63.95
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NGP A635 Mortised Nylon Brush Astragal 84" Mill Aluminum with Temperature Range -70 F to 425 F

Professional Door Sealing Solution for Commercial Applications

The NGP A635 Mortised Nylon Brush Astragal delivers reliable door sealing performance with an 84" mill aluminum construction featuring mortise dimensions of 7/32" wide x 1/2" deep. Built with aluminum alloy 6063 T5 temper and synthetic polyamide brush material, this astragal operates effectively across an extreme temperature range from -70 F to 425 F. The gray nylon brush provides excellent abrasion resistance, flexibility, and memory while maintaining moisture resistance for demanding commercial applications.

Professional Features & Benefits

  • Precise Mortise Dimensions: 7/32" wide x 1/2" deep mortise configuration ensures proper fit and secure installation in door frames.
  • Extended Length Capability: 84" standard length with maximum available length up to 108" for versatile door applications.
  • Extreme Temperature Performance: Operates reliably from -70 F to 425 F for use in diverse environmental conditions.
  • Durable Aluminum Construction: Aluminum alloy 6063 T5 temper provides exceptional strength and corrosion resistance in mill aluminum finish.
  • High-Performance Brush Material: Synthetic polyamide (nylon) brush offers excellent abrasion resistance, flexibility, and memory retention.
  • Moisture and Chemical Resistance: Moisture-resistant design retains insecticides well while maintaining sealing performance.
  • Environmental Compliance: REACH and RoHS compliant materials meet international environmental and safety standards.
  • Set Configuration: Order as set to receive two pieces for complete door sealing applications.

Technical Specifications

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

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings
  • Temperature-Controlled Environments

Why Choose NGP Quality?

NGP A635 astragal products deliver professional-grade sealing performance with aluminum alloy 6063 T5 temper construction and synthetic polyamide brush materials rated for extreme temperatures from -70 F to 425 F. REACH and RoHS compliant materials ensure environmental safety while providing excellent abrasion resistance and moisture protection. Engineered for demanding commercial applications where reliable door sealing and temperature performance are essential.

Product Specs

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

NGP A635 84 – Frequently Asked Questions

1) What is the mortise size needed for the NGP A635 brush astragal?
The A635 seats in a mortise 7/32 inch wide by 1/2 inch deep. That groove has to be cut into the door edge or the meeting stile before the astragal goes in, so it is not a surface-applied seal you can screw onto an existing door without prep. If the door is already hung and you don't want to route it, a surface-applied or adjustable astragal is the direction to go.
2) How many pieces come in a set of the NGP A635 astragal for a pair of doors?
Ordered as a set, the A635 ships two pieces, which is what a pair of doors takes: one on each meeting stile so the brushes close against each other at the center. Ordering a single piece leaves half the gap open.
3) Can a nylon brush astragal handle a freezer door or a boiler room where temperatures swing hard?
The A635 brush is rated from -70 F to 425 F, which covers walk-in cold storage on the low end and mechanical and boiler rooms on the high. The brush filament is synthetic polyamide, which keeps its memory and springs back rather than taking a set, and it is moisture resistant. That temperature span is the main reason to pick a brush seal over a vinyl or rubber insert type, which loses flexibility when it gets cold.
4) Is the NGP A635 astragal fire rated for a labeled door pair?
Use a fire-rated astragal on a labeled pair. Pemko's 369 split astragal seal with a pile brush insert is the fire-rated aluminum option, at 13/32 inch by 11/32 inch. It is a split design, meaning a piece on each leaf, which is the usual arrangement on a labeled pair so neither leaf is blocked from swinging.
5) Will a Trimco 5001 or 5002 lock astragal do the same job as the NGP A635?
No. The Trimco 5001 and 5002 are stainless steel lock astragals: the 5001 is used with mortise or cylindrical locks, and the 5002 is a 1-9/16 inch by 6 inch piece for use with cylindrical locks. Those are short pieces that cover the gap at the lock, not full-height weather seals. The NGP A635 is an 84 inch mortised nylon brush astragal in mill aluminum, sold as a set of two, running the height of the meeting stiles.
6) What is a comparable brush astragal for a pair of doors if I need a fire-rated split seal instead of the NGP A635?
The Pemko 369 split astragal seal is the closer match when the requirement is a fire-rated split astragal with a pile brush insert; it is an aluminum seal measuring 13/32 inch by 11/32 inch. The NGP A635 is a mortised nylon brush astragal in mill aluminum with a 7/32 inch wide by 1/2 inch deep mortise, and it ships as a set of two pieces. Both use a brush seal, but the 369 is a split configuration applied per leaf, while the A635 seats into a routed mortise in the door edge.
7) The door edge cannot be routed for a mortised astragal. What brush astragal can go on instead?
The Pemko 300 Series adjustable astragal for double doors uses a self-adjusting pile brush and mounts to the door rather than requiring the routed pocket the NGP A635 needs. The A635 seats in a mortise measuring 7/32 inch wide by 1/2 inch deep, so if the leaf cannot be machined or is already prepped, the 300 Series keeps the brush seal without the rout.
8) Brush astragal or vinyl insert astragal for a pair of exterior doors?
A brush seal like the A635 sweeps the gap and tolerates a wide temperature swing, and the nylon takes abrasion from doors that get used hard. A vinyl or rubber insert compresses into a tighter seal against air and water, which is what you want on a weather-exposed opening. Cal-Royal's EAST-501 is an aluminum T-astragal with a vinyl insert for double doors if you want the insert style, and Pemko's 300 Series is an adjustable astragal with a self-adjusting pile brush, which suits pairs where the gap is inconsistent from top to bottom.
9) What is the difference between a brush astragal and a T-astragal with a vinyl insert?
The Cal-Royal EAST-501 is an aluminum T-astragal with a vinyl insert for double doors, so the seal is a continuous vinyl bulb compressed by the meeting leaf. The NGP A635 seals with a gray synthetic polyamide nylon brush rated from -70 F to 425 F, chosen where abrasion resistance, flexibility and brush memory matter. Vinyl gives a solid contact seal; the nylon brush sweeps and recovers, and it holds up across that temperature span.
10) Which astragal should I use on a freezer or oven-adjacent door where vinyl seals fail?
The NGP A635 is the one to specify for those openings. Its synthetic polyamide nylon brush is rated from -70 F to 425 F and is moisture resistant, and the extrusion is aluminum alloy 6063 T5 temper. The Cal-Royal EAST-501 seals with a vinyl insert, which is a different material behavior at those extremes. If the opening also cannot take a mortise, the Pemko 300 Series uses a pile brush in a surface-adjustable astragal.
11) What is the NGP A635 astragal made of and will it corrode outdoors?
Extruded from 6063 aluminum in T5 temper with a mill aluminum finish, so the metal itself resists corrosion without plating. The brush is synthetic polyamide, not natural fiber, so it doesn't rot or wick. Mill aluminum is the raw mill finish, unanodized and unpainted, so it reads as bare silver against the door.
12) Does the NGP A635 astragal meet REACH and RoHS requirements for a government or institutional spec?
The materials are REACH and RoHS compliant, which is what usually gets asked on government, healthcare, and education procurement. It is specified as a commercial-duty product, not residential.
13) Will a nylon brush astragal keep insects and dust out of a warehouse door opening?
The nylon brush fills the gap between leaves and holds insecticide treatment well, and the filament is moisture resistant, which is why brush seals get used on warehouse and industrial openings where the concern is dust, debris, and pests rather than a watertight seal. For water and air infiltration on an exterior opening, a compression insert type seals tighter.
14) Do I need a separate lock astragal if I install the NGP A635 on a pair of doors?
They answer different requirements. The NGP A635 is a mortised nylon brush astragal that seals the gap between the meeting stiles. The Trimco 5001 stainless steel lock astragal is used with mortise or cylindrical locks and addresses the lock area specifically, and the Trimco 5002 covers cylindrical locks at 1-9/16 inch by 6 inch. On an opening where the concern is latch protection rather than air and light infiltration, the lock astragal is the part being asked for.
How fast can I get the NGP A635 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 A635 84 come with a warranty?
Absolutely. The NGP A635 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 A635 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 A635 84 from ZenSupply?
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