NGP 225S 48" Mill Aluminum Mortise Automatic Door Bottom with Silicone Seal is designed for durability and performance in commercial settings. Certified to ANSI/BHMA A156.22, this automatic door bottom undergoes rigorous testing, ensuring it can withstand up to 1,000,000 cycles while maintaining its reliability. Constructed from Aluminum Alloy 6063, T5 Temper, it combines strength with lightweight functionality. The silicone seal, made from a closed-cell sponge polymer, offers excellent flexibility and memory, catering to temperature extremes ranging from -100°F to 500°F. This feature ensures it remains effective in diverse environments, including areas utilizing FM200 or Halon fire suppression systems. With a maximum drop of 7/8" and a mortise requirement of 3/4" x 1-15/16", it delivers superior sealing when paired with a threshold. Additionally, the NGP 225S is flame-resistant, moisture-resistant, and provides impressive resistance to ozone, UV, and aging. It is available in lengths from 11" to 60" and is furnished 1/2" shorter than the ordered size for a precise fit. End caps come standard, enhancing its overall functionality. This door bottom is ideal for professionals seeking a reliable solution for maintaining air tightness and energy efficiency in commercial spaces.
Attributes
Application: Mortise Required 3/4" x 1-15/16"
BHMA: BHMA Certified to ANSI/BHMA A156.22 Performance Tests for Heat and Cold
Color: Silicone Is Black
Drop: 7/8" Max Drop
Fire Rated: Recommended for Areas Using FM200 or Halon Fire Suppression Systems
Length: Available 11" Net to 60" in Length
Material: Mill Aluminum
Moisture Resistant: YES
Quickship: Yes
Resistance: Excellent Resistance to Ozone, UV 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 -100°F to 500°F, Remains Flexible at Extreme Temperatures
