Flat roof systems Globalroof CIN 339 T3 for Roof | ArcelorMittal Construction

Globalroof CIN 339 T3

CIN 339 T3 is a flat roof system made of roof steel deck and an inner face of structural perforated trays including a an additional flat sheet. It provides excellent acoustic and sound insulation and Up 0.15W/m².K. The system offer a nice ceiling.

Composition

  • Non load bearing tray Hacierco C 400.90 perforated P in thickness 0.75mm
  • Cleats or steel spacer
  • Panolène cladding in thickness 50mm (Isover) (black glass veil)
  • Steel flat sheet thickness 3mm
  • Purlin Multibeam
  • Flexible glass wool for cladding covered with reinforced glass veil -thickness 80mm (Isover)
  • Roof deck Hacierco 40 SR in thickness 1.25mm (thickness subject to verification)
  • Mineral wool Rockacier -thickness 120mm (Rockwool)
  • Multi layer bituminous waterproof membrane

Performance and characteristics

  • Sound reduction index Rw(C;Ctr) = 61(-3;-10) dB
  • Acoustic absorption αw = 0.85
  • Thermal transmittance Up = 0.20W/m².K estimated
  • Weight: 79kg/m²
  • Spacing: 40cm
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