Fire

HMF Express frames are rated by both UL and Intertek for fire, smoke, positive pressure, and temperature rise over a broad range of sizes and applications.

Parameters for each product are shown in these linked .pdf tables:

• 3-sided frame

• 4-sided frames

• Borrow lights
  • KD drywall above floor level
  • Welded above floor level (drywall or masonry)
  • Welded floor level (drywall)
  • Welded floor level (masonry)

• Sidelight frames
  • KD drywall
  • Welded above floor level (drywall or masonry)
  • Welded floor level (drywall)
  • Welded floor level (masonry)

• Transom frames
  • Welded single (drywall or masonry) (w/ removable mullion option)
  • Welded pair with removable mullion (drywall or masonry) (w/ removable mullion option)