Active Gap Fillers

$60.00/ft.

ACTIVE GAP FILLERS CAN TAKE THE HEAT!

Finally, a simple solution to fire door gaps that provide immediate NFPA compliance!  Active Fire Rated Gap Fillers can be installed on top, strike, hinge, undercut and meeting stile of metal and wood fire rated doors and frames up to 90 minutes.

Active Gap Fillers 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.

Also available in unfinished, primer gray which can be painted or installed as is.


  • Easy install for immediate NFPA Compliance
  • Cost- Effective! Active Gap Fillers require no maintenance!
  • Requires no yearly maintenance!
  • One product covers the entire perimeter of the door!
  • No additional parts or fire caulking ever required
  • Customizable for badge readers
  • Can be tapered for uneven door gaps
  • Completely customizable

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″

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How to Fix Fire Door Gaps in 4 Easy Steps!

 

NOW OFFERING UNFINISHED, PRIMER GRAY ACTIVE GAP FILLERS AT A LOWER COST! ONLY $33.00/FT!

CALL 925-813-1907 OR EMAIL TO PLACE AN ORDER!

 

 

 

 

 

 

 

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.

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