Fire Door Extension

• UL listed as a Miscellaneous Fire Door Accessory.
• UL tested and listed to allow for excessive clearances up to 2″ on steel and wood doors.
• UL fire-rated for up to 90 minutes for wood doors.
• UL fire-rated for up to 180 minutes for steel doors
• Does not increase or decrease your fire door assembly’s existing fire rating.
• Tested under NFPA-252 with hose stream,  ANSI/UL 10B with hose stream,  UL 10C,  CAN/ULC S104-10.
• This is a handed product; RH, LH, and, for steel doors with no bevel, non-handed.
• Easy installation; does not require removal of the door.
• US Patent Nos. 9,151,106 & 9,518,422
• Canadian Patent Nos. 2,846,726 & 2,939,255