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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
$ 93.38
$ 93.38
Pemko STC4131CPK Acoustic Rated and Fire Rated, Surface or Semi Mortised Automatic Door Bottom, Aluminum Finish, PemkoPrene Insert, 3/4" Max Drop
$ 120.74
$ 120.74Pemko 4131CPKL Fire-Rated Surface or Semi Mortised Automatic Door Bottom, Aluminum Finish, PemkoPrene Insert, 3/4" Max Drop
Pemko 4131CPKL Fire-Rated Surface or Semi Mortised Automatic Door Bottom, Aluminum Finish, PemkoPrene Insert
Lead Time:
36" Length - 0-2 Days
42" or 48" Length - 2-3 Weeks
Pemko 4131CPKL Fire-Rated Automatic Door Bottom | PemkoPrene Insert
The Pemko 4131CPKL Fire-Rated Automatic Door Bottom is a high-performance, versatile solution designed to provide a professional-grade seal for commercial and residential entryways. Featuring a clean Clear Anodized Aluminum finish, this dual-application unit can be installed as either a surface-applied or semi-mortise seal. This flexibility makes it the premier choice for retrofitting existing wood or hollow metal doors where a high-end, flush-mounted appearance is required without the complexity of a full mortise.
Equipped with a high-quality PemkoPrene insert, the 4131 Series creates a robust barrier that is highly resistant to cleaning fluids, disinfectants, and everyday wear. Its specialized "smoother action" positive seal mechanism is actuated by a jamb-contacting plunger, ensuring the seal only lowers when the door is fully closed. This hinge-side actuation prevents seal skidding and door hang-up, providing a permanent solution to drafts, sound, and smoke.
Key Features & Performance
- Surface or Semi-Mortise Versatility: Engineered for flexible mounting options; it can be applied to the door face or partially recessed to suit the architectural needs of luxury hotels, offices, and dormitories.
- PemkoPrene™ Synthetic Rubber Seal: A thermoplastic elastomer that offers the durability of natural rubber with superior resistance to chemicals and temperature extremes.
- Non-Handed Design: The symmetrical case allows for universal installation on both left and right-hand doors without needing disassembly to change handing.
- Precision Gap Sealing: Effectively fills under-door gaps up to 3/4", blocking out light, moisture, insects, and fumes while maintaining a quiet environment.
- Field Trimmable: Provided at NET length and can be field-trimmed by up to 2" (stock sizes) to ensure a precise, custom fit for your specific door opening.
Technical Details & Certifications
- Base Material: Heavy-duty Mill Finish Aluminum Casing.
- Dimensions: 19/32" Width x 1 27/32" Overall Height.
- Fasteners: Includes thru bolts and #8 x 1 1/4" THSMS for a secure, industrial-strength mount.
- UL 10C Fire Rated: Certified for Positive Pressure Fire Tests, ensuring safety in fire-rated door assemblies.
- UL 1784 Smoke Inspected: Meets rigorous air leakage standards for life-safety compliance in commercial buildings.
- Acoustic Rating: Tested to ASTM E 90-2009 for superior sound transmission control.
- Environmental Safety: GREENGUARD Gold Certified for low chemical emissions, supporting healthier indoor air quality.
- Standard Compliance: Meets ANSI/BHMA A156.22 and ASTM E-283-04 standards for door gasketing systems.
| Length | 36 Inch or 42 Inch or 48 Inch |
| Brand | Pemko |
| Insert Material | PemkoPrene |
| Fire Rated | Fire Rated |
| Mounting Type | Surface Mounted |
| Bottom Weatherseal Type | Automatic Door Bottom |
| Housing Finish | Aluminum |
| Sweeps, Door Bottom or Rain Drip | Door Bottom |
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