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Pemko 4131DRL Fire-Rated Surface or Semi Mortised Automatic Door Bottom, Dark Bronze Aluminum, Black Sponge EPDM Insert, 3/4" Max Drop
Pemko 4131DRL Fire-Rated Surface and Semi Mortised Auto Door Bottom, Dark Bronze, Black Sponge EPDM Insert, 3/4" Max Drop
Lead Time:
36" Length - 0-2 Days
42" or 48" Length - 2-3 Weeks
Pemko 4131DRL Fire-Rated Automatic Door Bottom | Dark Bronze Finish
The Pemko 4131DRL Fire-Rated Automatic Door Bottom is a premium, architectural-grade solution designed for superior environmental control and fire safety. Featuring a sophisticated Dark Bronze Anodized Aluminum finish, this versatile unit is engineered for either surface-applied or semi-mortise installation. This flexibility makes it the ideal choice for retrofitting existing doors in upscale condos, luxury hotels, and commercial offices where maintaining a high-end aesthetic is just as important as performance.
Equipped with a resilient Sponge Neoprene insert, the 4131 Series creates a slightly compressible, airtight seal that excels in extreme conditions. The "smoother action" positive seal mechanism is triggered by a jamb-contacting plunger, ensuring the seal only engages when the door is closed. This prevents seal skidding and ensures the door operates effortlessly while blocking drafts, sound, and smoke.
Key Features & Performance
- Surface or Semi-Mortise Mounting: Offers the versatility to be mounted to the face of the door or partially recessed, making it compatible with both wood and hollow metal doors.
- Sponge Neoprene Seal: A high-durability rubber insert that remains flexible at both high and low temperatures and resists deterioration from oily substances.
- Non-Handed Design: Completely reversible for fast and easy installation on any door handing without complex disassembly.
- Positive Seal Mechanism: The drop-bar is actuated from the hinge side, ensuring a level, consistent seal across gaps up to 3/4".
- Dark Bronze Anodized Finish: Provides a clean, symmetrical square-shaped case design that blends perfectly with dark hardware and architectural wood finishes.
- Field Trimmable: Provided at NET length and can be trimmed by up to 2" in the field to ensure a precision fit for your specific opening.
Technical Details & Certifications
- Base Material: High-grade Aluminum with Dark Bronze Finish.
- Dimensions: 19/32" Width x 1 27/32" Overall Height.
- Fasteners: Includes thru bolts and #8 x 1 1/4" THSMS for a robust and secure installation.
- UL 10C Fire Rated: Certified for Positive Pressure Fire Tests of Door Assemblies.
- UL 1784 Smoke Inspected: Meets rigorous air leakage standards for life-safety compliance.
- Acoustically Tested: Rated to ASTM E 90-2009 for significant sound transmission reduction.
- Environmental Safety: GREENGUARD Gold Certified for low chemical emissions and healthier indoor air quality.
- Industry Standards: Complies with ANSI/BHMA A156.22 and ASTM E-283-04 for architectural gasketing systems.
| Length | 36 Inch or 42 Inch or 48 Inch |
| Brand | Pemko |
| Insert Material | Neoprene |
| Fire Rated | Fire Rated |
| Mounting Type | Surface Mounted |
| Bottom Weatherseal Type | Automatic Door Bottom |
| Housing Finish | Dark Bronze |
| Sweeps, Door Bottom or Rain Drip | Door Bottom |
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