Flat roof systems Globalroof® CIN 339T2 for Roof | ArcelorMittal Construction

Globalroof® CIN 339T2

CIN 339 T2 is a flat roof system made of roof steel deck and an inner face of structural perforated trays providing excellent acoustic and sound insulation and Up 0.15W/m².K. The system is installed in a parallel or perpendicular grid.

Composition

  • Non bearing tray Hacierco C 500.90 perforated P in thickness 0.75mm
  • Cleats or steel spacer
  • Mineral wool Sorock in thickness 90mm (Rockwool) (black glass veil)
  • Profile Trapéza 11.100.8 B in thickness 1.00mm
  • Bituminous weight 5kg/m²
  • Purlin Multibeam
  • Mineral wool Torock 120mm thick (Rockwool)
  • Roof deck Hacierco 40 SR in thickness 0.75mm (thickness subject to verification)
  • Mineral wool Rockacier 120mm thick (Rockwool)
  • Multi layer bituminous waterproof membrane

Performance and characteristics

  • Sound reduction index Rw(C;Ctr) = 57(-4;-12) dB
  • Acoustic absorption αw = 0.95
  • Thermal transmittance Up = 0.15W/m².K estimated
  • Weight: 69kg/m²
  • Spacing: 43cm
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