NGP (National Guard) 422N Heavy-Duty Mortise Automatic Door Bottom

National Guard Products (NGP) 422N Mill Aluminum Heavy Duty Mortise, Automatic Door Bottom with Neoprene Seal

• Aluminum alloy 6063, T5 temper
• Synthetic rubber polymer blend: PVC, Nitrile rubber (NBR), and Chloroprene closed cell advanced elastomeric foam
• Very good abrasion resistance, tensile strength and memory
• Flame resistant
• Moisture resistant
• Temperature range -20°F to 200°F
• Good resistance to ozone, sunlight and aging
• Use with a threshold for maximum sealing capability
• Nylon brush recommended for carpet applications where no threshold is provided
• Anodized aluminum end caps furnished standard. DKB end caps available – please specify
• Specify exact net length required to avoid field sizing
• 36″ and longer may be cut up to 4″ in the field. Under 36″ should not be cut in the field, order net length
• 36″ and longer are furnished 1/2″ shorter than ordered to fit within net door size. (i.e. 36″ is furnished 35-1/2″)
• Mortise required 1″ x 2-1/8″
• Up to 3 hrs. metal doors, 45 minute wood doors (does not fit mortise restrictions of some wood door manufacturers
• Available 11″ to 60″ in length
• #4 x 5/8″ SMS furnished
• 7/8″ max drop
• Neoprene is black
• Mill aluminum