Pemko P384 Closed Cell Sponge ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$31.59
Pemko P384 Closed Cell Sponge Neoprene Weatherstripping Tape 3/4" x 7/16" x 10' Fire Rated

Pemko P384 Closed Cell Sponge Neoprene Weatherstripping Tape 3/4" x 7/16" x 10' Fire Rated

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Model: P384
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$31.59
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Pemko P384 Closed Cell Sponge Neoprene Weatherstripping Tape 3/4"; x 7/16"; x 10' Fire Rated

Professional Weatherstripping Solution for Commercial Applications

Pemko P384 Closed Cell Sponge Neoprene Weatherstripping Tape delivers superior sealing performance with precise dimensions of 3/4"; width, 7/16"; thickness, and 10' length. This self-adhesive weatherstrip is specifically engineered to resist deterioration from oily substances and remain flexible at both high and low temperatures. The closed-cell sponge neoprene construction provides reliable air and water sealing around doors and windows in demanding commercial environments with UL 10C Positive Pressure fire rating and UL 4L10 listing for code compliance.

Professional Features & Benefits

  • Precise Dimensions: 3/4"; width and 7/16"; thickness provide optimal sealing for standard door and window applications with consistent compression characteristics.
  • Temperature Resistance: Engineered to remain flexible at both high and low temperatures for year-round performance in varying climate conditions.
  • Chemical Resistance: Specifically formulated to resist deterioration from oily substances for extended service life in industrial and commercial environments.
  • Fire Safety Compliance: UL 10C Positive Pressure fire rating and UL 4L10 listing ensure code compliance for commercial applications.
  • Dual Sealing Protection: Effectively seals against both air and water infiltration around doors and windows for comprehensive weatherproofing.
  • Self-Adhesive Installation: Convenient adhesive backing allows for quick installation without additional fasteners or tools.
  • Closed-Cell Construction: Sponge neoprene material provides consistent compression recovery and long-term sealing integrity.
  • Versatile Applications: Suitable for weatherstripping homes, cars, trucks, and boats with superior protection in diverse environments.

Technical Specifications

  • Commercial/Residential: Commercial
  • Department: Door Hardware
  • Product Category: Door Trim and Accessories
  • Product Dimension: W: 3/4", H: 7/16";
  • Product Group: Door Trim and Accessories
  • Product Length: 10'
  • Product Model: P384
  • Product Subgroup: Astragals, Gaskets and Weatherstripping
  • Product Substrate: Sponge Neoprene
  • Product Type: Weatherstripping
  • Subcategory: Gaskets & Weatherstripping
  • UL Listing Type: Fire Rated UL10C Positive Pressure, Underwriters Laboratory 4L10

Professional Applications

  • Commercial Office Building Door and Window Sealing
  • Educational Facility Weatherproofing
  • Healthcare Institution Environmental Control
  • Retail Establishment Energy Efficiency
  • Industrial Facility Climate Control
  • Multi-Tenant Residential Weather Sealing
  • Government Building Envelope Protection

Fire Safety Compliance

This weatherstripping tape carries UL 10C Positive Pressure fire rating and UL 4L10 listing, ensuring compliance with fire safety codes for commercial door and window applications. The fire-rated construction maintains sealing integrity while meeting stringent safety requirements for building envelope protection.

Why Choose Pemko Quality?

Pemko weatherstripping products deliver professional-grade sealing performance with closed-cell sponge neoprene construction engineered for chemical resistance and temperature flexibility. UL fire safety certifications ensure code compliance for demanding commercial applications. Designed for reliable long-term performance where consistent environmental control and energy efficiency are essential.

Product Specs

Product Group:
Door Trim and Accessories
Product Subgroup:
Astragals, Gaskets and Weatherstripping
Product Type:
Weatherstripping
Subcategory:
Gaskets & Weatherstripping
Commercial/Residential:
Commercial
UL Listing Type:
Fire Rated UL10C Positive Pressure, Underwriters Laboratory 4L10
Product Model:
P384
Product Length:
10'
Product Dimension:
W: 3/4", H: 7/16"
Product Category:
Door Trim and Accessories
Product Substrate:
Sponge Neoprene
Department:
Door Hardware

Pemko P384 – Frequently Asked Questions

1) Will Pemko P384 sponge neoprene tape work on a fire rated door assembly?
Yes. The P384 closed cell sponge neoprene tape is Fire Rated UL10C Positive Pressure and carries Underwriters Laboratories 4L10 listing, so it can go on labeled openings where a UL 10C positive pressure gasket is called for. That listing is what an inspector looks for on a fire door, and it is why this tape gets specified in schools, hospitals and government buildings rather than a hardware store foam.
2) What size gap will the Pemko P384 weatherstrip tape fill?
The P384 tape is 3/4 inch wide and 7/16 inch thick uncompressed. That 7/16 inch of closed cell sponge is what takes up the gap, so it suits openings where the door leaf stands off the stop by a few tenths of an inch and needs squeeze to seal. Wider than 3/4 inch of stop face and you are covering stop that the tape does not reach; a gap much bigger than the sponge can compress into will not seal.
3) Does Pemko P384 weatherstripping need screws or a retainer to install?
No fasteners. The P384 is a self-adhesive tape with pressure sensitive backing, so it presses straight onto a clean stop face with no drilling and no aluminum retainer. That is the difference between it and a retainer-mounted product like the Cal-Royal BW-302 brush weatherstrip, which mounts in an extruded aluminum seal retainer and has to be cut, aligned and fastened.
4) What is a fire rated alternative to Pemko P384 weatherstrip tape for a smoke and draft opening?
The Pemko P384 is a closed cell sponge neoprene tape, 3/4 inch wide by 7/16 inch high in a 10 foot length, carrying a Fire Rated UL10C Positive Pressure and Underwriters Laboratory 4L10 listing. For a smoke and draft assembly where a press-on gasket is preferred over an adhesive-backed sponge tape, the Hager 726S is a smoke seal weatherstrip with press-on installation in a charcoal finish. The P384 is supplied as a continuous 10 foot roll cut to the opening, while the 726S is applied as a press-on seal.
5) When should I use an aluminum retainer weatherstrip instead of Pemko P384 tape?
The Pemko P384 is an adhesive-backed sponge neoprene tape that applies directly to the stop with no retainer. When the jamb needs a rigid carrier that holds the seal in a fixed line, the Hager 864S is an 84 inch clear anodized aluminum adjustable jamb weatherstrip with a neoprene insert, and the Hager 862S is a 48 inch weatherstrip with a neoprene insert for smoke and draft control. Those two arrive in fixed lengths of 84 and 48 inches; the P384 comes as a 10 foot run.
6) Should I use adhesive-backed sponge tape or an aluminum jamb weatherstrip on my door?
Press-on sponge tape like the P384 is the quick retrofit: it sticks to the existing stop, needs no machining, and is the practical choice when you are gasketing openings that are already hung and painted. An aluminum-housed gasket such as the Hager 864S, an 84 inch clear anodized adjustable jamb weatherstrip with a neoprene insert, is the better call on new work or on openings where you want an adjustable, mechanically fastened seal that survives abuse and lets you replace the insert later without stripping adhesive off the frame.
7) Will neoprene weatherstrip tape hold up in a garage, shop or plant where there is oil around?
That is what the sponge neoprene is for. The P384 resists deterioration from oily substances and stays flexible at both high and low temperatures, so it holds its seal on shop doors, mechanical rooms and loading areas where a plain foam tape would break down. Closed cell means it does not wick water either, so it seals air and water rather than soaking it up.
8) Can I use Pemko P384 tape as a smoke and draft seal?
The P384 is a general air and water seal carrying the UL 10C positive pressure fire rating. If your spec specifically calls out smoke and draft control gasketing, look at a product listed for that duty instead, such as the Hager 726S press-on smoke seal in charcoal or the Hager 862S 48 inch weatherstrip with a neoprene insert for smoke and draft control. Match the gasket to the words on the door schedule.
9) Is a brush weatherstrip the same thing as Pemko P384 neoprene tape?
No. The Pemko P384 is a closed cell sponge neoprene weatherstrip that compresses against the stop to seal air and water. The Cal-Royal BW-302 is a nylon brush weatherstrip with an extruded aluminum seal retainer, in the Brush Weatherstrips Series - the sealing element is brush filament carried in an aluminum retainer rather than a compressible sponge. They are not interchangeable where a compression seal is called for.
10) What is the simplest weatherstrip option if I do not want to drill or screw anything into the frame?
The Pemko P384 sponge neoprene tape has a self-adhesive backing and installs without additional fasteners or tools, in a 3/4 inch by 7/16 inch profile. Among the alternatives, the Hager 726S also installs press-on rather than with a retainer. The Cal-Royal BW-302 and the Hager 864S both carry an extruded or clear anodized aluminum retainer that mounts to the frame.
11) What color does Pemko P384 weatherstripping tape come in?
Black only. There is one finish on the P384, so if you are gasketing openings with light frames the tape will read as a dark line on the stop. On dark or painted-dark frames it disappears. Nothing to specify beyond the size and the length.
12) Is the Pemko P384 rated for commercial use or is it a residential product?
Commercial. The P384 is classed as a commercial weatherstrip and carries UL fire listings, which is what separates it from retail foam tape sold for house windows. It goes on office, retail, healthcare, education and multi-tenant openings where the gasket has to survive traffic and satisfy a code official.
13) Which weatherstrip should I use on an opening exposed to oils and wide temperature swings?
The Pemko P384 closed cell sponge neoprene tape is formulated to resist deterioration from oily substances and to stay flexible at both high and low temperatures, which suits industrial and commercial service. The neoprene insert alternatives, the Hager 862S at 48 inches and the Hager 864S at 84 inches, use a neoprene sealing element carried in a metal weatherstrip rather than an adhesive sponge tape.
How fast can I get the Pemko P384 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 Pemko P384 come with a warranty?
Absolutely. The Pemko P384 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 Pemko P384?
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 Pemko P384 from ZenSupply?
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