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

Globalroof® IN 229Ai

IN 229 Ai  is a flat roof system made of steel deck and structural perforated trays as inner face which makes the ceiling solution aesthetic . The system provides both excellent sound insulation and very good thermal performance Up 0.15W/m²K.

1- Non load bearing Hacierco C 500.90

  • Thickness 1.25mm

2- Bituminous 5kg/m²

3- Tray covering with Vapor barrier

4- Cleats

5- Cladipan 32

  • Thickness 90mm (Isover)

6- Purlin Multibeam

7- Isobardage

  • Thickness 120mm (Isover)

8- Roof deck profile Hacierco 40 SR

  • Thickness 0.75mm

9- Mineral wool

  • Thickness 120mm

10- Multi-layer bituminous waterproof membrane

  • Sound reduction index Rw(C;Ctr) = 64(-4;-10) dB
  • Thermal transmittance Up = 0.15W/m².K estimated
  • Weight: 64kg/m²
  • Spacing: 43cm
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