Sloped roof systems Globalroof® DPP 25 for Roof | ArcelorMittal Construction

Globalroof® DPP 25

DPP 25 is a double skin system for slooped roof consisting of a structural tray as inner facing and a trapezoidal steel sheet as wheather facing, the system provides a thermal performance of Up 0.25W/m².K.

Composition :

  • Non load-bearing tray Hacierco C 450.70 non perforated or perforated type P with a thickness according to the span
  • Cleats or steel spacer
  • Glass wool or mineral wool 70mm thick (in the bottom of the tray (λ = 0.040W/m.K maximum)
  • Airtight vapor barrier film
  • Purlin
  • Glass wool 120 mm thick unrolled between purlins (λ = 0.040W/m.K maximum)
  • Glass wool 60 mm thick nipped on the purlin(λ = 0.040W/m.K maximum)
  • Roof profile Frequence,Trapeza or Autenthique

Performance :

  • Thermal transmittance Up = 0.25W/m².K
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