Excelair Fire Duct Systems are tested and
certified by Applus Laboratories to
international fire safety standards BS 476
Part 1987 :24 (ISO 1985 :6944) for 120
minutes with Type A & Type B ductwork
Firemac Fire Rated Ductwork Systems are
tested by Applus Laboratories to
international fire safety standards BS 476
Part 1987 :24 (ISO 1985 :6944) & EN
1-1366 for fire resistance period up to 4
hours with Type A & Type B ductwork.
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