Composition :

• Roof deck Hacierco 56SP with a thickness of 0.75 mm
• Rocksourdine (Rockwool)
• Rockwool panel 60 mm or 130 mm thick (Rockwool)
• Multi layer bituminous waterproof membrane

Performances and characteristics :

• Acoustic absorption αw = 0.60
• Thermal transmittance Up = 0.64 W/m².K estimated
• Weight: 25 kg/m²
• Spacing: 12 cm