SELFIRE Fire Rated Kitchen Extraction:

All Kitchen Extract will be to the EN standard 15871 and tested to EN 1366-1, and must be insulated to the same period of time as the compartment through which it passes as required in DW172.

All kitchen extract ducting must be accessible for cleaning and inspection purpose and have a cleaning door (to the same fire rating) installed every 3 meters as stated in DW172.

All ductwork must have classification for testing outside (A) and inside (B) in both a horizontal and vertical position. All ductwork rated “S” for low leakage.

All kitchen extract ductwork will be tested in a flexible wall and be suitable for installation in stud partition, block wall and concrete floor