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Pemko 4131_PKL Auto Door Bottom with PemkoPrene Insert

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Pemko 4131_PKL Auto Door Bottom with PemkoPrene Insert

Original price was: $87.13.Current price is: $67.92.

Keep Spaces Quiet and Comfortable

This automatic door bottom features a durable PemkoPrene seal that blocks drafts, light, and sound while ensuring smooth, effortless door operation. Ideal for surface or semi-mortise installation, it delivers long-lasting protection and a clean, professional finish.

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Description

Pemko 4131_PKL Auto Door Bottom – Surface or Semi-Mortise with PemkoPrene Insert

This Pemko 4131_PKL Auto Door Bottom with PemkoPrene Insert provides a reliable barrier against drafts, light, sound, and airborne contaminants. Designed for surface-mounted or semi-mortised installation, it ensures smooth operation with minimal effort, protecting both residential and commercial spaces.

The PemkoPrene insert combines the flexibility of natural rubber with the durability of thermoplastic materials. As a result, it maintains a tight seal over time, while offering excellent resistance to cleaning fluids and disinfectants. Additionally, its low opening impedance makes door operation effortless, even in high-traffic areas.

Key Features
  • Surface applied or semi-mortise installation for versatile applications
  • Non-handed design for easy installation on either door swing
  • Smooth drop-bar mechanism ensures consistent sealing action
  • PemkoPrene insert provides flexibility, durability, and chemical resistance
  • Suitable for wood or hollow metal doors (select models)
  • End plates included for all mounting types
  • Clean, square case design for flush, professional appearance
  • Installation instructions and screws included
Benefits
  • Seals out drafts, dust, moisture, light, sound, and fumes
  • Enhances comfort and energy efficiency
  • Supports fire- and smoke-rated door assemblies
  • Reliable performance for everyday use in commercial or residential settings
Specifications
  • Base Material: Aluminum
  • Insert: PemkoPrene
  • Fasteners: THSMS #8 x 1-1/4″
  • Maximum Length: 72″
  • Minimum Length: 12″
  • Overall Height: 1-27/32″ (46.8 mm)
  • Width: 19/32″ (15.1 mm)
Available Finishes
  • 4131CPKL – Clear Anodized Aluminum with PemkoPrene insert

Certifications & Ratings
  • Air Infiltration Tested
  • Sound Tested – ASTM E90
  • BHMA Certified
  • Smoke Tested – UL 1784
  • Fire Rated – UL 10C (Positive Pressure)
  • Underwriters Laboratory Listed
  • GREENGUARD Gold Certified

With PemkoPrene’s resilience and smooth-action mechanism, this automatic door bottom offers durable, chemical-resistant sealing that keeps spaces comfortable, quiet, and protected.

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Manufacturer Resources

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