Description

Pemko 434ARL Auto Door Bottom with Sponge Neoprene Insert – Full Mortise

The Pemko 434ARL Auto Door Bottom with Sponge Neoprene Insert provides a reliable seal to block drafts, light, sound, smoke, fire, dust, and moisture from passing under doors. Designed with a low closing force mechanism, the drop-down bar engages smoothly when the door closes, ensuring consistent performance without hindering door operation. Its full mortise design offers a clean, flush-mounted appearance, making it ideal for upscale residential and commercial doors.

Key Features

• Full Mortise Design – Sleek, flush-mounted appearance for high-end doors
• Low Closing Force Mechanism – Complies with ANSI A117.1 and ADAAG 2010
• Sponge Neoprene Insert – Flexible in high and low temperatures, slightly compressible, and resistant to oily substances
• Hinge-Side Actuation – Prevents skidding and door hang-ups during closure
• Fills gaps up to 3/4″ for effective environmental and acoustic sealing
• Reversible for easy installation on wood or metal doors

Benefits

• Blocks air, drafts, moisture, dust, insects, light, sound, smoke, and fire
• Smooth, low-force operation for ease of use
• Durable and long-lasting performance in high-traffic areas
• Mortised design maintains a professional and aesthetic look

Available Finishes

• 434ARL: A – Mill Finish Aluminum Aluminum with Black Sponge EPDM insert

Specifications

• Base Material: Aluminum
• Insert: Black Sponge Neoprene
• Fasteners: FHSMS #6 x 5/8″
• Maximum Length: 72″
• Minimum Length: 12″
• Overall Height: 1-5/16″
• Width: 27/32″

Certifications & Ratings

• GREENGUARD Gold Certified
• Air Infiltration Tested
• Sound Tested – ASTM E90
• BHMA Certified
• Smoke Tested – UL 1784
• Fire Rated – UL 10C (Positive Pressure)
• Underwriters Laboratory 4L10
• ANSI/BHMA A156.22 Compliant

With its sponge neoprene insert and low-force full mortise design, the Pemko 434ARL Auto Door Bottom delivers effective sealing, smooth operation, and a clean, professional finish for premium doors.