Flat roof systems Globalroof® IN 229A for Roof | ArcelorMittal Construction

Globalroof® IN 229A

IN 229A is a flat roof system made of steel deck and a structural trays as inner face. The system has outstanding thermal performances with  Up of 0.15W/m²K and at the same time excellent sound insulation properties .

1- Non load bearing tray Hacierco C 500.90

  • Thickness 1.25mm

2- Bituminous weight 5kg/m²

3- Tray covered with Vapor barrier

4- Cleats

5- Mineral wool Sorock

  • Thickness 90mm

6- Purlin Multibeam

7- Mineral wool Torock

  • Thickness 120mm

8- Roof deck Hacierco 40 SR

  • Thickness 0.75mm

9- Mineral wool

  • Thickness 120mm

10- Multi layer bituminous waterproof membrane

  • Sound reduction index Rw(C;Ctr) = 64(-3;-11) dB
  • Thermal transmittance Up = 0.15W/m².K estimated
  • Weight: 67kg/m²
  • Spacing: 43cm
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