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Pemko 420APKL Mortise Auto Door with PemkoPrene

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Pemko 420APKL Mortise Auto Door with PemkoPrene

Original price was: $70.92.Current price is: $58.77.

Seal Smarter, Close Cleaner

This mortise automatic door bottom with PemkoPrene insert blocks drafts, smoke, fire, sound, and moisture while keeping doors smooth and easy to operate. Its heavy-duty mechanism and fully mortised design provide long-lasting protection and a clean, professional appearance.

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Description

Pemko 420APKL Mortise Auto Door with PemkoPrene

The Pemko 420APKL Mortise Automatic Door Bottom is designed specifically for hollow metal doors with a 13/16″ inverted channel. Additionally, its fully mortised design maintains a clean look, while the heavy-duty drop-bar mechanism and two fire-rated PemkoPrene rubber seals prevent drafts, dust, moisture, smoke, fire, and sound from entering under the door. As a result, doors stay secure and energy-efficient without sacrificing smooth operation.

Furthermore, the hinge-side actuation prevents the seal from skidding or catching during closure. Also, the door bottom can be cut in the field for exact adjustments. Its aluminum casing eliminates the need for end plates, which simplifies installation and enhances the door’s appearance.

Key Features
  • Automatic door bottom for hollow metal doors with inverted channel
  • Maximum drop seal: 1/2″; recommended gap: 3/8″
  • Smoother action drop-bar seal mechanism actuated by a jamb-contacting plunger
  • Equipped with double fire-rated PemkoPrene rubber seals
  • Hinge-side actuation prevents seal skidding and door hang-ups
  • Mortised installation for clean appearance; no end plates required
  • Field-cuttable for easy adjustment
Benefits
  • Provides excellent sealing against drafts, dust, moisture, smoke, fire, light, and sound
  • Mortised design maintains door aesthetics
  • Durable PemkoPrene seals offer flexibility and long-term performance
  • Resistant to cleaning fluids and disinfectants
  • Low impedance ensures smooth door opening and closing
Specifications
  • Base Material: Aluminum
  • Fasteners: PHSMS #6 x 5/8″
  • Maximum Length: 72″
  • Minimum Length: 12″
  • Overall Height: 13/16″
  • Width: 1 3/8″
  • Door Compatibility: Hollow metal doors with 13/16″ inverted channel
Certifications & Compliance
  • GREENGUARD Gold Certified
  • UL 1784 – Air Leakage Tests of Door Assemblies
  • UL 10C – Positive Pressure Fire Tests
  • ASTM E-283-04 (2012)
  • ASTM E 90-2009
  • ANSI/BHMA A156.22 – Door Gasketing and Edge Seal Systems

In summary, the Pemko 420APKL Mortise Automatic Door Bottom with PemkoPrene Insert combines a clean look, fire-rated protection, and energy-efficient sealing. Moreover, it is designed for easy installation, smooth operation, and long-lasting performance on hollow metal doors.

Finish Available
  • 420APKL – Mill Finish Aluminum

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Manufacturer Resources

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