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 45 minutes.

RATED UP TO 3/4 HOUR FOR MODELS 422N AND 522N, 1-1/2 HOURS FOR MODEL 423N. CATEGORY H Smoke and Draft Control gasketing (Category H) tested to UL 1784; meets requirements of NFPA 105, IBC for use on “S” label doors. 12.19

POSITIVE PRESSURE TESTED GASKETING MATERIALS FOR FIRE DOORS FOR APPLICATION TO HOLLOW-METAL-TYPE FIRE DOORS RATED UP TO 3 HOURS AND WOOD-TYPE FIRE DOORS RATED UP TO 3/4 HOUR. SMOKE & DRAFT CONTROL GASKETING (CATEGORY H) TESTED TO UL 1784; MEETS REQUIREMENTS OF NFPA 105, IBC FOR USE ON “S” LABEL DOORS.

National Guard Products 522N 36" Automatic Door Bottom, Heavy Duty, Length: 36", Mill Finish Aluminum with Black Neoprene insert, Max Drop: 7/8", Mortise Mount

NGP 522 Fully Mortised, Heavy Duty Automatic Door Bottom creates a tight seal at the bottom of doors to prevent infiltration of sound, light, drafts and more. Fitted with a solid neoprene bulb seal. Available in Mill Finish Aluminum and length is custom cut to size.

National Guard Products 522N mortise mounted automatic door bottom with neoprene bulb insert that blocks drafts and moisture from entering interior spaces through gap at bottom of the door, available with optional lead lining for radiation shield.

Discover the Mill Aluminum Heavy-Duty Mortise Automatic Door Bottom with Neoprene Seal by NGP. Ideal for effective weatherstripping and energy efficiency, ensuring a secure fit for various door types.

NGP 522N-60 84" Mill Aluminum Heavy-Duty Mortise Automatic Door Bottom with Seal Your Price: $1,155.84 Retail Price: $1,806.0000

Heavy duty automatic door bottoms lift up clear from the floor when the door is swinging or in the open position, and close down tight to create a perfect seal against the floor or threshold when the door reaches the closed position.

mai [email protected] np.com 1-800-NGP-RUSH MMHS 4 ain ad NATIONAL UARD RODUCTS, NC. Quotes: [email protected] Orders: [email protected] NGP-GKT-522N-PCS-1123-A Mortise Required 1" x 2-1/8" 15/16" 2" 7/8" Max Drop 522N Neoprene Heavy Duty Mortise Automatic Door Bottom Material Aluminum Alloy 6063, T5 Temper Synthetic EPDM Rubber in Polypropylene ...