NGP 185PA Perimeter Seal Singl...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$23.57
NGP 185PA Perimeter Seal, Single Piece, Anodized Aluminum

NGP 185PA Perimeter Seal Single Piece Anodized Aluminum Door Weatherstripping

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Model: 185PA-36

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

$23.57
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NGP 185PA Perimeter Seal Single Piece Anodized Aluminum Door Weatherstripping

Professional Door Sealing Solution

The NGP 185PA Perimeter Seal provides effective weatherproofing for commercial door applications with single-piece anodized aluminum construction. This professional-grade door seal features aluminum alloy 6063 with T5 temper for durability and operates reliably in temperatures from 32 F to 275 F. The integrated gray polypropylene pile creates an effective barrier against air infiltration and weather intrusion.

Professional Features & Benefits

  • Temperature Performance: Operates effectively from 32 F to 275 F for reliable performance across diverse climate conditions.
  • Durable Aluminum Construction: Aluminum alloy 6063 with T5 temper provides exceptional strength and corrosion resistance for long-term commercial use.
  • Anodized Finish: Factory anodized aluminum surface delivers superior weather resistance and maintains appearance over time.
  • Single-Piece Design: Continuous perimeter seal construction eliminates joints and potential leak points for maximum effectiveness.
  • Integrated Pile Seal: Gray polypropylene pile provides flexible contact surface that adapts to door movement while maintaining seal integrity.
  • Commercial-Grade Performance: Engineered specifically for commercial door applications requiring reliable weatherproofing and air sealing.

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
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose NGP Quality?

NGP perimeter seals deliver professional-grade weatherproofing with aluminum alloy 6063 construction and anodized finish for superior durability. The temperature range of 32 F to 275 F ensures reliable performance in demanding commercial environments. Engineered for commercial applications where effective air sealing and weather protection are essential for building performance and energy efficiency.

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 185PA-36 – Frequently Asked Questions

1) What is the NGP 185PA perimeter seal made of, and will it hold up on an exterior commercial door?
The 185PA is extruded from 6063 aluminum alloy in T5 temper with a factory anodized finish, and the sealing element is gray polypropylene pile. That combination is what makes it an exterior-rated perimeter seal: the anodizing resists weathering on the frame face, and the pile flexes against the door edge instead of taking a permanent set the way a solid gasket can.
2) What temperature range can the NGP 185PA weatherstrip handle?
Rated from 32 F to 275 F. The high end is the useful number: it covers mechanical rooms, boiler rooms, and kitchen or laundry service doors where a vinyl-bulb seal would soften. The low end at 32 F means it is specified for above-freezing service, so for an unheated loading dock or a cold-storage vestibule in a northern climate, check the seal against your actual door temperature before you commit.
3) Is the NGP 185PA a pile seal or a vinyl bulb seal, and which should I use?
Pile. The 185PA carries a polypropylene pile insert, which wipes along the door edge as it swings and tolerates a door that does not close to a consistent gap. A vinyl insert, like the one in the Cal-Royal PG-601 aluminum channel perimeter gasketing, compresses instead of wiping and gives a tighter air seal on a door that shuts square and consistently. Rule of thumb: pile for high-traffic doors and doors that get racked or dragged, vinyl where you are chasing air infiltration on a well-hung door. The 185PA's 275 F upper limit also puts it ahead on hot service doors.
4) What length does the NGP 185PA perimeter seal come in, and how much do I need per door?
It is supplied in 36 inch lengths. A single opening needs both jambs plus the head, so for a standard 3070 door (36 inches wide by 84 inches tall) you are looking at three pieces minimum: one cut to the head and two run down the jambs, with the jambs taking most of a full stick each. Order per leaf, and remember a pair of doors needs the run across both jambs plus the full head width.
5) Will the NGP 185PA seal the bottom of the door too?
No. The 185PA is a perimeter seal, so it covers the head and the two jambs only. The gap under the door needs a separate part, either a door sweep fastened to the leaf, an automatic door bottom let into or surface mounted on the leaf, or a threshold and door shoe combination. Plan on ordering that bottom seal alongside this, or you will have sealed three sides of four.
6) What is a cross-brand equivalent to the NGP 185PA perimeter seal?
The closest cross-brand equivalent is the Cal-Royal PG-601 Aluminum Channel Perimeter Gasketing. Both are aluminum-channel perimeter seals that mount to the frame stop to seal the head and jambs of a swinging door. The NGP 185PA is a single-piece anodized aluminum extrusion in 6063-T5 alloy with a gray polypropylene pile sealing element, rated for service from 32 F to 275 F; the Cal-Royal PG-601 carries a vinyl insert as its sealing element. If you are matching frame gasketing across a building and want the same channel-and-insert approach from another manufacturer, the PG-601 is the part to look at.
7) Does the NGP 185PA mount on the frame or the door?
Frame mounted. A perimeter seal of this type screws to the face of the stop on the head and both jambs, so the pile contacts the door face as it closes. That is what separates it from a door bottom or a sweep, which fastens to the door leaf itself. Because it lands on the stop rather than the door, it works on either hand and you do not specify handing when ordering.
8) Can I cut the NGP 185PA down to fit my opening?
Yes. It is an aluminum extrusion, so it cuts cleanly to length with a miter saw and a non-ferrous blade, or a hacksaw for one-off work. Cut the head piece to the clear width and miter or butt the jamb pieces to it. Cut the aluminum carrier, then trim the pile flush; leaving pile proud of the cut end is what causes the head-to-jamb corners to hold open.
9) What does single piece mean on the NGP 185PA perimeter seal?
The carrier and the pile are one assembly rather than a channel you load a separate insert into. You install the stick and the seal is already in it, and there is no field-fitting of an insert into a track. The trade-off is that the pile is not separately replaceable the way a snap-in vinyl insert is, so when the pile wears out on a high-cycle door you replace the whole run.
10) What is the alternative to the NGP 185PA if I need a replaceable gasket insert?
Look at the Cal-Royal PG-601, an aluminum channel perimeter gasketing that takes a vinyl insert. Because the insert is separate from the channel, you can pull and replace the sealing element later without taking the aluminum off the frame, which matters on a door you reseal every few years. The 185PA's advantage is the opposite one: nothing to load, nothing to come loose out of a track, and pile instead of vinyl for doors that get abused.
11) What is the difference between a pile perimeter seal and a vinyl insert perimeter seal?
The sealing element is the difference. The NGP 185PA uses a gray polypropylene pile, a brush-type element that wipes against the door face and keeps contact as the door moves, and it is rated for service from 32 F to 275 F. The Cal-Royal PG-601 uses a vinyl insert, a solid compressible bulb or fin that the door closes against. Pile tolerates a door that shifts or warps slightly without binding the latch, which matters on high-traffic openings; a vinyl insert compresses against the stop for a tighter contact line. Choose the element to match how the door sits in the frame and how much closing force the opening has to work with.
12) Can a door shoe be used in place of the NGP 185PA?
No. The NGP 185PA is a perimeter seal for the head and jambs of the frame, sealing the gap between the door face or edge and the frame stop. A door shoe is a separate part that fastens to the bottom rail of the door and seals to the threshold or sill. The Cal-Royal PG-601 is a perimeter gasketing part in that maker's door shoe series, but it is perimeter gasketing and not a bottom seal. A fully weatherstripped opening usually needs both: 185PA perimeter seal on the head and jambs, plus a separate door bottom or shoe at the sill.
13) Is the NGP 185PA suitable for a hospital or school corridor door?
It is specified as a commercial product, and NGP lists healthcare institutions, educational facilities, government buildings, offices, retail, warehouses, and multi-tenant residential among the applications. For a standardized facility spec, the anodized aluminum carrier and polypropylene pile give you one part to stock across a fleet of similar openings, and the 32 F to 275 F range covers interior corridor and mechanical room doors alike.
How fast can I get the NGP 185PA-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 185PA-36 come with a warranty?
Absolutely. The NGP 185PA-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 185PA-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 185PA-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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