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Pemko 412_RL Auto Door Bottom with Sponge Neoprene

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Pemko 412_RL Auto Door Bottom with Sponge Neoprene

Original price was: $88.20.Current price is: $74.26.

Seal Smarter, Close Cleaner

This surface-mounted automatic door bottom with sponge neoprene insert blocks drafts, light, smoke, sound, and fire while ensuring smooth door operation. Its durable aluminum or brass casing and drop-bar mechanism provide long-lasting performance and easy installation.

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Description

Pemko 412_RL Auto Door Bottom with Sponge Neoprene

The Pemko 412_RL Auto Door Bottom is a surface-mounted, handed automatic door bottom designed to seal gaps under doors and provide reliable protection against light, sound, smoke, and fire. Its sponge neoprene rubber seal compresses to fill gaps up to 3/4″, with a recommended gap of 1/2″, ensuring a tight seal at closure without dragging or hanging. The drop-bar seal actuation mechanism provides hinge-side actuation to prevent seal skidding and maintain smooth door operation.

Custom cut to length and available in a variety of casing finishes, the 412_RL comes with end plates, installation instructions, and fasteners for easy surface-mounted installation. Ideal for commercial and institutional doors, it delivers both functionality and aesthetic appeal.

Key Features
  • Handed automatic door bottom; reversible by disassembly
  • Surface-mounted with end plates for all mounting applications
  • Seals gaps up to 3/4″ under the door
  • Drop-bar mechanism ensures smooth, hinge-side actuation
  • Prevents drafts, dust, moisture, insects, fumes, light, and sound
  • Available in multiple aluminum and brass finishes
  • Slightly compressible sponge neoprene insert
  • Flexible at high and low temperatures; resists oily substances
Specifications
  • Base Material: Aluminum, Brass
  • Fasteners: THSMS #8 x 1 1/4″
  • Maximum Length: 72″
  • Minimum Length: 12″
  • Overall Height: 2″
  • Width: 9/16″
Certifications & Compliance
  • GREENGUARD Gold Certified
  • UL 1784 – Air Leakage Tests
  • 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

The Pemko 412_RL Auto Door Bottom with Sponge Neoprene provides a high-performance, code-compliant solution for sealing doors, offering energy savings, noise reduction, and protection against fire, smoke, and environmental elements.

Finish Available
  • 412CRL – Clear Anodized Aluminum
  • 412DRL – Dark Bronze Anodized Aluminum

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Manufacturer Resources

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