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Pemko 411ANBL 36" Full Mortised Automatic Door Bottom
The Pemko 411ANBL 36" Full Mortised Automatic Door Bottom is the premier choice for architects and facility managers who require a high-performance seal that remains completely invisible. Specifically engineered for architectural excellence, this heavy-duty automatic door bottom is mortised into the door, ensuring the sleek aesthetic of upscale condos, luxury hotels, and modern commercial offices is never compromised.
Equipped with a high-density Black Nylon Brush insert, the 411 Series is the ultimate solution for sealing gaps over irregular surfaces. The specialized drop-down seal mechanism is engineered for a "smoother action" positive seal, preventing seal skidding and ensuring your door operates effortlessly while providing a total barrier against the elements.
Key Features & Performance
- Concealed Full Mortise Design: Fits seamlessly into a prep at the bottom of the door, making it invisible when closed—perfect for decorative and high-end wooden doors.
- Black Nylon Brush Seal: Features densely compressed nylon filaments that conform to irregular surfaces like carpet, stone, and grout lines better than standard rubber gaskets.
- Automatic Drop-Bar Actuation: The jamb-contacting plunger triggers the seal only when the door is fully closed, sealing gaps up to 3/4" without causing door hang-up or friction during the swing.
- Field Trimmable: This 36-inch door bottom is provided at NET length and can be trimmed by up to 2" in the field for a precise, custom fit.
- Universal Compatibility: Suitable for both 1-3/4" and 1-3/8" thick doors (Note: For 1-3/8" applications, please specify the K411 end plate kit).
Specifications
- Length: 36" (NET length provided)
- Material: Durable Mill Finish Aluminum Casing
- Seal Type: Black Nylon Brush (NB)
- Dimensions: 9/16" Width x 1-3/8" Height
- Fasteners: Includes thru bolts and #6 x 5/8" FHSMS for a secure, professional installation.
Certified Protection
The Pemko 411ANBL is a safety-critical component built for high-traffic environments. It is UL 10C Fire Rated for positive pressure and UL 1784 Smoke Inspected, making it a requirement for code-compliant dormitories and commercial buildings. Furthermore, its GREENGUARD Gold Certification ensures it meets the highest standards for low chemical emissions, supporting healthier indoor air quality.
Why Choose the Pemko 411 Series?
Whether you are managing light infiltration in a luxury suite or controlling fumes and dust in a commercial facility, the Pemko 411ANBL delivers a symmetrical, flush-mounted finish that is as functional as it is discrete. It provides a permanent, flexible solution for sealing uneven floors while maintaining the full architectural integrity of your entryway.
| Length | 36 Inch or 42 Inch or 48 Inch |
| Brand | Pemko |
| Insert Material | Nylon Brush |
| Fire Rated | Fire Rated |
| Mounting Type | Full Mortise |
| Bottom Weatherseal Type | Automatic Door Bottom |
| Housing Finish | Aluminum |
| Sweeps, Door Bottom or Rain Drip | Door Bottom |
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