Construction Details

2-Hours Rated-Duct (Integrity & Stability)
2-Hours Rated-Duct (Integrity, Stability & Insulation)
Duct With 2 Sided Exposure
Duct With 3 Sided Exposure
Corner Assembly
Inside Assembly

1. 2 Hours Fire Rated – Stability, Integrity and Insulation in accordance to BS 476 Pt 24:1987, ISO 6944:1985 and A.S.1530.4 for Duct A (External Fire) and Duct B (Internal Fire)

  1. G.I Duct fabricated to SMACNA or DW 144 Duct Construction Standard
  2. WinCoat™
  3. Hanger diameter sized to limit stress 10N/mm2
  4. Supporting angle designed to support duct to detail
  5. Wall penetration: 120kg/m3 rockwool
  6. 100 x 100 x 0.8mm thick G.I angle collar coated with WinCoat™
  7. Rockwool as Insulation of Duct for 120 minutes
  8. Aluminium foil or other protective material