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Pemko PK33 PemkoPrene® Adhesive Perimeter Gasket

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Pemko PK33 PemkoPrene® Adhesive Perimeter Gasket

Original price was: $27.50.Current price is: $21.44.

Precision Sealing for Fire-Rated Doors

This adhesive-backed perimeter gasket compresses to seal gaps up to 1/16″, providing low closing force while protecting against smoke, fire, air, and sound. Additionally, it resists moisture, UV, and mildew for long-lasting performance in commercial door applications.

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Description

Pemko PK33 PemkoPrene® Adhesive Perimeter Gasket

The PK33 PemkoPrene® Adhesive Perimeter Gasket is a high-performance, commercial-grade seal designed for tighter door frames. Additionally, it features extremely low closing force, ensuring doors close easily while maintaining a secure seal against smoke, fire, air, sound, and weather. Because the seal begins compressing at 3/16″ and seals gaps up to 1/16″, it provides precise and reliable protection for fire-rated door assemblies.

Moreover, the PK33 is made from self-extinguishing, non-toxic high-temperature silicone, making it resistant to sunlight, ozone, and UV rays. In fact, it is impervious to fungus and mildew, providing long-lasting performance in demanding commercial environments. Furthermore, it is easy to install, adhesive-backed, and can be used on the top and sides of steel, composite, and wood fire doors.

Key Features
  • Adhesive-backed PemkoPrene® material for simple installation
  • Extremely low closing force for smooth door operation
  • Compresses to seal gaps up to 1/16″ (starts compressing at 3/16″)
  • Seals against smoke, fire, air, sound, and weather
  • Resistant to sunlight, ozone, UV, moisture, fungus, and mildew
  • Available in dark brown, black
  • Commercial-grade, long-lasting durability
  • Suitable for steel, composite, and wood fire doors up to 3 hours
Certifications & Ratings
  • Fire Rated – UL10C Positive Pressure
  • Underwriters Laboratory 4L10
  • Smoke Tested – UL1784
  • Sound Tested – ASTM E90
  • Air Infiltration Tested
  • BHMA Certified
  • GREENGUARD Gold Certified
Specifications
  • Gasket Type: Adhesive-backed perimeter gasket
  • Width: 3/8″
  • Seal Compression: Begins at 3/16″, seals up to 1/16″ gap
  • Material: PemkoPrene® high-temperature silicone
  • Available Coil Lengths: 17, 20.
  • Colors: Black, Dark Brown

Overall, the PK33 PemkoPrene® Adhesive Perimeter Gasket delivers precise sealing, low closing force, and long-lasting performance, making it ideal for commercial fire doors and tight-fitting frames. As a result, it ensures both safety and reliable door operation in demanding environments.

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