Pemko Manufacturing Co

The 4131 series automatic door bottom is designed to prevent light, sound, and drafts from entering a room. It features a high-quality mechanism for smooth action when the seal is lowered. Available with different seal options (nylon brush, PemkoPrene, sponge EPDM, and sponge silicone), and can be surface mounted or semi-mortised. Comes with installation instructions, end plates, and screws.

Features:

• Non-Handed, Surface or Semi-Mortise
• Smoother action positive seal mechanism: Aluminum case encloses a movable drop-bar seal actuated by a jamb-contacting plunger during door closure, providing an effective seal
• Most models available with nylon brush (NB) seals. Nylon filaments conform extremely well to irregular surfaces such as carpet, stone and grout lines
• Some models can be mounted to either wood or hollow metal doors
• End plates are provided for all mounting applications
• Fills gaps up to 3/4"; Available in any size ranging from 18" to 48"
• Lead line available upon request; consult Customer Service for options on profiles
• Drop-bar seal actuation mechanism (all models) ensures hinge-side actuation, preventing seal skidding and door hang up during closure
• Clean symmetrical square-shaped case design for even flush mounting
• Provided at NET length
• Provides excellent seal to keep out draft, dust, moisture, insects, fumes, light, and sound
• Can be trimmed down by as much as 2" in the field (stock lengths only). If non-stock sizes are ordered, order must note need to trim 2 inches from the size ordered

Specifications:

• Base Material: Aluminum
• Fasteners: THSMS #8 x 1 1/4"
• Maximum Length: 72"
• Minimum Length: 12"
• Height: 1 27/32"
• Width: 19/32"

Finishes:

• BDG - Bright dip gold anodized
• C - Clear anodized aluminum
• D - Dark bronze anodized
• SN - Satin nickel anodized aluminum