Zero International 52A 42" Alu...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$86.18
Zero 52A Meeting Stile Door Shoe

Zero International 52A 42" Aluminum Door Bottom with Solid Neoprene

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Model: 52A 42
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$86.18
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Overview

Zero door gaskets for protecting head, jamb, sill, and meeting stiles are engineered for reliable performance in demanding environments. Constructed from top-quality materials, they are built to last. We offer an unequaled range of capabilities, features, aesthetic options and specialized solutions.

When you need the best seal to satisfy codes, or field conditions are less than perfect, our mechanically fastened gasketing provides many choices:

  • Solid or closed cell sponge neoprene, silicone, EPDM rubber, nylon brush, and pile with fin seals.
  • Sealing reinforcement using double seals, magnetic door seals, or spring-loaded mechanisms.
  • Snap-on covers for aesthetics, as well as protecting mounting screws from abuse.
  • ZAG ligature resistant option available on select head and jamb gaskets to prevent removal for self-harm or other
    inappropriate uses.
  • EBF double sealing system available on selected gasketing (as well as thresholds), our extruded bulb/finger ensures an airtight seal even when doors are misaligned because of poor installation, or slightly warped.
  • Adjustable features to compensate for door alignment problems at installation or in service.

Features:

  • Length: 42"
  • Material: Aluminum
  • With Solid Neoprene
  • Height: 0.688"
  • Smoke and Draft Control

Manufacturer Resources

Zero Full Line Catalog

Product Specs

Commercial/Residential:
Commercial
Product Group:
Door Trim and Accessories
Product Subgroup:
Door Bottom Sweeps and Door Shoes
Product Type:
Door Shoe
Department:
Door Hardware

Zero International 52A 42 – Frequently Asked Questions

1) Will the Zero 52A seal a pair of doors at the meeting stile?
No. The 52A is a door bottom, it seals the gap under the door leaf against the floor or threshold. The meeting stile on a pair of doors is a vertical joint and needs an astragal or meeting stile gasket instead. On a pair, you would run a 52A on each leaf for the bottom and add separate gasketing for the stile joint.
2) Does the Zero 52A door bottom work for smoke and draft control?
Smoke and draft control is what the 52A is built for. The solid neoprene sweep seals against the floor or threshold to block the air leakage path under the door, which is the same gap that carries smoke between compartments. It is a commercial grade product, not a residential weatherstrip.
3) Is solid neoprene or sponge neoprene better for a door bottom seal?
Solid neoprene, which is what the 52A carries, is the denser of the two. It holds its shape against repeated door swings and sweeps a floor or threshold under compression, so it suits high traffic commercial openings. Closed cell sponge neoprene compresses more easily and conforms better where the gap is uneven, which is why Zero offers it on other gasketing. If your door bottom gap varies across the opening, sponge or an adjustable seal is the better call; for a consistent gap and heavy use, solid is the one to buy.
4) Is the Zero 52A surface applied or does the door have to be routed?
The 52A is mechanically fastened, meaning it screws to the face of the door bottom rather than requiring a routed or kerfed door. That matters on a retrofit: you can put it on an existing wood, hollow metal or aluminum door without machining the door edge. Zero also offers snap-on covers across its gasketing line to hide and protect the mounting screws where the door bottom takes abuse.
5) Can I use the Zero 52A on an exterior door for weather sealing?
Yes, aluminum with a solid neoprene seal handles exterior service, and Zero builds this gasketing for demanding field conditions. Pair it with a threshold so the neoprene has a flat, clean surface to sweep against; run over bare concrete or a worn sill the seal wears faster and leaks where the surface is uneven.
How fast can I get the Zero International 52A 42 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 Zero International 52A 42 come with a warranty?
Absolutely. The Zero International 52A 42 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 Zero International 52A 42?
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 Zero International 52A 42 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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