Aluminum Threshold

• Constructed from durable 6063-T6 aluminum alloy with temper retainer

• 4-inch (101.6 mm) width

• 1/4-inch (6.4 mm) low-profile height

• Standard lengths: 3-foot, 4-foot, 6-foot, and 8-foot options

• 4″ × 1/4″ dimensional profile

• Fully ADA compliant barrier-free design

• 3-hour fire rating

• Complies with ADAAG-2010 (Amended) and ANSI A117.1-2009

• Maintains ≤1/2″ height for accessibility

• ANSI/BHMA A156.21 performance certified

• UL10B and UL10C fire test approved