NGP-225N-Automatic-Door-Bottom
225NA
NGP-225N-Automatic-Door-Bottom
225NA

NGP (National Guard) 225N Full Mortise Automatic Door Bottom

Usually Ships: 5-10 Business Days
  • 3/4″ max drop
  • Mortise required in bottom of door
  • Fire-rated, air infiltration tested

Available Options:

Product Overview

National Guard Products (NGP) 225N Mill Aluminum Mortise Automatic Door Bottom with Neoprene Seal

  • BHMA Certified to ANSI/BHMA A156.22, 1,000,000 Cycle Test-Grade 1
  • BHMA Certified to ANSI/BHMA A156.22 Performance Tests for Heat and Cold
  • Aluminum Alloy 6063, T5 Temper
  • Synthetic EPDM Rubber in Polypropylene Thermoplastic Matrix
  • Very Good Abrasion Resistance, Tensile Strength and Memory
  • Flame-Resistant
  • Moisture-Resistant
  • Temperature Range -81°F to 275°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
  • Specify Exact Net Length Required to Avoid Field Sizing
  • ADB’s from 12″ to 18″ Can be Cut Down 1/2″. ADB’s 20″ and Over Can be Cut Down up to 1-1/2″
  • End Caps Furnished Standard
  • Furnished 1/2″ Shorter Than Ordered to Fit Within Net Door Size. (i.e. 36″ is Furnished 35-1/2″)
  • Minimum Length 11″, Maximum Length 60″
  • Mortise Required 5/8″ x 1-1/2″
  • 3/4″ Max Drop
  • Neoprene is Black
  • Anodized Aluminum
Brand

Length

36", 48"
Finishes

Mill Finish Aluminum
Fire Rating

Fire Rated – UL10C – Positive Pressure

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NGP (National Guard) 225N Full Mortise Automatic Door Bottom