NGP 420NDKB-60 DKB-finish Aluminum Heavy Duty Surface, Automatic Door Bottom with Neoprene Seal is designed to enhance the functionality and durability of commercial restroom partitions. Crafted from Aluminum Alloy 6063 with a T5 temper, this automatic door bottom is built to withstand the rigors of high-traffic environments. It features a neoprene seal made from advanced elastomeric foam, ensuring excellent moisture resistance and flame resistance, while maintaining effectiveness across a temperature range of -81°F to 275°F. This product is BHMA certified to ANSI/BHMA A156.22, demonstrating its reliability with a 1,000,000 cycle test rating. It's also been rigorously tested for performance in extreme heat and cold, making it ideal for various climatic conditions. The 420NDKB-60 is designed for easy installation on the push side of doors and effectively seals gaps when used with a threshold, maximizing its sealing capability. For carpet applications where no threshold is present, a nylon brush is recommended. With a maximum drop of 7/8" and available in lengths up to 60", this door bottom can be tailored to fit your specific needs. Its sleek dark bronze finish adds a touch of elegance while ensuring long-lasting performance. Choose NGP for dependable restroom hardware solutions that combine innovation with practicality.
Attributes
Application: Nylon Brush Recommended for Carpet Applications where no Threshold is Provided
BHMA: BHMA Certified to ANSI/BHMA A156.22 Performance Tests for Heat and Cold
Color: Color is Black
Drop: 7/8" Max Drop
Finish: Dark Bronze Finish
Fire Rated: Flame-Resistant
Length: 60"
Material: Aluminum Alloy 6063, T5 Temper
Moisture Resistant: YES
Resistance: Good Resistance to Ozone, Sunlight and Aging
Standard-0: CERTIFIED by UL to CAN/ULC-S104 and ANSI/UL10B, complies with NFPA 80 and NFPA 252 for application to Hollow Metal fire doors rated up to 3 Hrs., and Wood fire doors rated up to 90 minutes.
Standard-1: POSITIVE PRESSURE - CERTIFIED by UL to ANSI/UL10C, complies with IBC, NFPA 80 and NFPA 252 for application to Hollow Metal fire doors rated up to 3 Hrs., and Wood fire doors rated up to 90 minutes.
Standard-2: AIR INFILTRATION TESTED to ASTM E283, Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors.
Standard-3: ACOUSTICAL TESTED to ASTM E90 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements, and ASTM E2235 Standard Test Method for Determination of Decay Rates for use in Sound Insulation Test Methods. Refer to information on pages G8 thru G10 of our Gasketing catalog for test result data.
Standard-4: SMOKE & DRAFT CONTROL GASKETING. Certified by UL to ANSI/UL10C and ANSI/UL1784 Category ‘H’; complies with IBC and NFPA 105 for use on ‘S’ labeled Positive Pressure Hollow Metal fire doors rated up to 3 hours, and Wood fire doors rated up to 90 minutes.
Standard-5: ANSI/BHMA CERTIFIED. Certified Gasketing complies with American National Standard for Door Gasketing and Edge Sealing Systems ANSI/BHMA A156.22 and is listed in the BHMA Certified Products Directory.
Temperature Range: Temperature Range -81°F to 275°F
