Active Gap Fillers

$60.00/ft.

THE ANSWER TO FIRE DOOR GAPS

Active Fire Rated Gap Filler can be installed on top, strike, hinge, undercut and meeting stile of metal and wood fire rated doors and frames up to 90 minutes. Gap Filler products are installed with steel fasteners within countersunk holes to ensure flush installation, providing proper latching.

All Gap Fillers can be painted, cut to size, and additional countersunk holes can be added by customers without interruption of Intertek listing.

 


  • Easy to install
  • It covers the entire perimeter of the door; unlike similar products which require you to purchase additional hardware, parts and fire caulking!
  • Can be cut and tapered to fit uneven door gaps and customized for badge readers
  • Custom sizes and colors available, or you can paint them for your specific color needs

How to use our Gap Gauge as a measuring tool for Active Gap Filler Products:
  • 1/8″ gap needs Active Gap Filler 1/16″
  • 1/4″ gap needs Active Gap Filler 1/8″
  • 1/2″ gap needs Active Gap Filler 3/8″
  • 3/8″ gap needs Active Gap Filler 1/4″
  • 5/8″ gap needs Active Gap Filler 1/2″
  • 3/4″ gap needs Active Gap Filler 5/8″

___________________________________________________________________

How to Fix Fire Door Gaps in 4 Easy Steps!

Please tell us if the door itself is metal or wood.

2019-NFPA 80

  • 6.3.1.7 Clearances
    • 6.3.1.7.2* The clearances between the top and vertical edges of hollow metal doors and the frame, and the meeting stiles of doors swinging in pairs, shall be 1⁄8in.± 1⁄16in. (3.18 mm ± 1.59 mm).
  • 4.8.4 Clearance.
    • 4.8.4.1 The clearance under the bottom of a door shall be a maximum of ¾”.
    • 4.8.4.4 Where the bottom of the door is more than 38 inches above the finished floor, the maximum clearance shall not exceed 3/8” or as specified by the manufacturer’s label service procedure.
  • 5.2.3.5.2 (6) Door clearances do not exceed clearances listed in 4.8.4 and 6.3.1.7.

2016-NFPA 80

  • 6.3.1.7 Clearances
    • 6.3.1.7.2 – The clearances between the top and vertical edges of the door and frame, and the meeting edges of doors swinging in pairs, shall be 1/8” – 1/16” for steel doors and shall not exceed 1/8” for wood doors.
  • 4.8.4 Clearance
    • 4.8.4.1 – The clearance under the bottom of a door shall be a maximum of ¾”.
    • 4.8.4.2 – Where the bottom of the door is more than 38 inches above the finished floor, the maximum clearance shall not exceed 3/8” or as specified by the manufacturer’s label service procedure.
  • 5.2.3.5.2 (6) – Door clearances do not exceed clearances listed in 4.8.4 and 6.3.1.7.

2013-NFPA 80

  • 6.3.1.7 – Clearances
    • 6.3.1.7.1 – The clearances between the top and vertical edges of the door and frame, and the meeting edges of doors swinging in pairs, shall be 1/8” – 1/16” for steel doors and shall not exceed 1/8” for wood doors.
  • 4.8.4 – Clearance.
    • 4.8.4.1 – The clearance under the bottom of a door shall be a maximum of ¾”.
    • 4.8.4.2 – Where the bottom of the door is more than 38 inches above the finished floor, the maximum clearance shall not exceed 3/8” or as specified by the manufacturer’s label service procedure.
  • 5.2.3.5.2 (6) – Door clearances do not exceed clearances listed in 4.8.4 and 6.3.1.7.

2010-NFPA 80

  • 6.3.1.7 Clearances
    • 6.3.1.7.1 – The clearances between the top and vertical edges of the door and frame, and the meeting edges of doors swinging in pairs, shall be 1/8” – 1/16” for steel doors and shall not exceed 1/8” for wood doors.
  • 4.8.4 Clearance
    • 4.8.4.1 – The clearance under the bottom of a door shall be a maximum of ¾”.
    • 4.8.4.2 – Where the bottom of the door is more than 38 inches above the finished floor, the maximum clearance shall not exceed 3/8” or as specified by the manufacturer’s label service procedure.
  • 5.2.4.2 (5) – Door clearances do not exceed clearances listed in 4.8.4 and 6.3.1.7.

Custom Orders

"*" indicates required fields

Do you have custom requirements?
Name*

Additional Support Products