The Marathon Fire Door Kit FDK1 with Self Closing System are systems developed as part of a half hour sliding fire door assembly to BS 476: Part 22: 1987, and should be installed on the non-fire risk side of an aperture. S3 Kit suits opening 750mm - 900mm
The assembly must be fitted with a solid core FD30 or FD60 timber-based fire door, positively appraised by Warrington Fire Research or CERTIFIRE approved.
Assessment report WRFC No. C116602 confirms that a sliding fire door assembly, fitted in accordance with these instructions, will offer 30 minutes of fire protection in accordance with BS 476: Part 22: 1987, (ref: report Warres No. 40991).
To be used for fire control only. Cannot be used for smoke control.
Tested to 100,000 cycles
Two kits required for double door
Can be used on our Internal Doors - Single or Double.