Moisure-proof design
Joint sealing
-External Sealing against penetrating surface water
-Internal sealing for completion of the vapour barrier
Light weight combined with good load-bearing propeties achieved by 3-rid design of cover sheet
Solidy fastened toresist wind uplift forces
Permanently impervious to rain or snow ect.
Excellent insulation materials of PUR or PIR
Environmental friendly blowing agent(Pentane)
Hidden Fixing:Fastening without penetating the roof skin,i.e, no drilling chips on the outside sheet

Low initial cost
Low dead weight and large spans
Easy and rapid installation
High durability and low maintenance cost
Alternative steel colours, materials and profiles on request

Profiling of Cover Sheet Corrgated Ribbed Flat
Quter Sheet
Inner Sheet
Standard Panels Width* Element Thickness Material Thickness Outer Sheet Material Thickness Inner Sheet Max. Length Supplied Weight Heat Transfer Coeffcient U** Sound Insulation
mm mm mm mm m Kg/㎡ W/㎡K dB
1,000 75 0.60 0.50 24 11.65 0.471 25
1,000 95 0.60 0.50 24 12.50 0.334 25

*Panel width ranged from 500mm to 1,000mm for selection
**Values even better taking into account of ventilation factors