Product features: 1.One of the best roofing materials.
2.Using colored steel roll with developed width of 600mm,mechanically pressed effective width of 420mm,effective utilization ratio of 70%,peak wave of 41mm,normally used as outer sheet of building roofing.
3.It is light, easy to be installed by manpower.
4.40MM rib heights ,reinfore the steel plate‘s strength.beatiful shape,easy to be maintained, good waterproof.
5. Minimum roof pith is 2degree(1/30 or 3%), this independent installment leaves no screw trace on steel surface. 6.All corner folding is over 90 degree, this can make lowest damageing point in shipping and installment.
Any quetions,welcome here. we are looking forward to receiving your enquiries .
Section characteristic(as overall width of a sheet)
moment of inertia(cm³/m)
MAXIMUM ALLOWALBE DISTANCE OF PURLIN LIST
THICKNESS OF SHEET
UNIT AREA WEIGHT
MAXIMUM ALLOWABLE DISTANCE OF SURPPORTING(EXCEPT THE TYPHOON SECTION)