NGP-320N
NGP-320N

NGP (National Guard) 320N Mortise Automatic Door Bottom for Hollow Metal Doors

Usually Ships: 5-10 Business Days
  • 1/2″ max drop
  • For use with hollow metal doors
  • Fire-rated, air infiltration tested

Available Options:

Product Overview

National Guard Products (NGP) 320N Mill Aluminum Hollow Metal Mortise Automatic Door Bottom with NGP-TPV Seal

This product is designed to fit in a 3/4″ deep channel in the bottom of a Hollow Metal Door

  • Aluminum alloy 6063, T5 temper
  • Thermo-Plastic Vulcanizate (TPV)
  • Very good abrasion resistance, tensile strength and memory
  • Flame resistant
  • Moisture resistant
  • Temperature range -80°F to 275°F
  • Good resistance to ozone, sunlight and aging
  • Fits in 1-5/8″ x 3/4″ channel. A “furring strip” may be used to lower automatic door bottom when a deeper channel is used
  • Furnished 1/2″ shorter than ordered to fit within net door size. (i.e. 36″ is furnished 35-1/2″) Length may be field cut up to 4″
  • Fire ratings apply to metal doors only
  • #4 x 5/8″ SMS furnished
  • End caps not available
  • Available 24″ to 48″ in length
  • 1/2″ max drop
  • NGP-TPV is black
  • Mill aluminum

made-in-usa

Brand

Length

36", 48"
Finishes

Mill Finish Aluminum
Fire Rating

Fire Rated – UL10C – Positive Pressure

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NGP (National Guard) 320N Mortise Automatic Door Bottom for Hollow Metal Doors