1. Trapezoidal metal Roofing Sheet introduction
It is produced by direct application of a paint (after applying a treatment and, in most instances, primer)
onto steel sheet in a coil-coating line. Coil-line painting can be used to apply a paint coating directly on uncoated steel sheet or on metallic-coated steel sheet
2. Trapezoidal metal Roofing Sheet main features
1) It protects against corrosion in air and water, and has allowed corrugated metal roofing to become
one of the most durable and withstanding roofing materials available
2) Has features of easy installation, high strength, low in costs, durable and nice appearance
3. Trapezoidal Steel Sheet application scope
It is most commonly used for commercial, agricultural, and industrial purposes, however, it is now also
being recognized as an excellent form of residential roofing
4. Trapezoidal Steel Sheet raw materials
(1) Hot dipped galvanized steel sheet
(2) Pre galvanized steel sheet
(3) Galvalume steel sheet
(4) Pre painted galvalume steel sheet
5. Trapezoidal Steel Sheet technical processing
Hot rolled steel coil -->Cold rolled- >hot dipped galvanized/ galvalume/painted- > corrugated-->packing
6. Trapezoidal Steel Sheet new high technology
It is produced on high technology coil coating lines under rigid quality controls, this product has a
painted finish that is uniform in color, gloss, texture and thickness, with excellent paint adhesion and
durability
Thickness0.12mm-1.0mmWidth665mm-1250 (AC)Zinc coating40g-275g/m2Length1000mm-118000mm as your requiredTolerancewidth:+/-5mm,thickness:+/-0.02mmSpangleregular spangle,big spangle,minimized spangle or color coatedPitch76mm or as requiredWave height18mm or as your requiredWave numberfrom 8 to 12Typesteel plateWeight of each packageabout 3mtTechnologycold rolledSurface treatmentgalvanized,chromated,bright finished,unoiled(oiled)MaterialSGCC,SGCHStandardASTM,JIS,DIN,GBPackingexport standard packing,packed with moisture resistant paper and
metal wrapping,securely tied for export,on metal skids