1,corrosion resistance 2,easy installation 3,high strength 4,elgant appearance
color coated corrugated steel roofing sheet
AVAILABLE THICKNESS
Base Metal Thickness (mm) | Total Coated Thickness (mm) | Weight (kg/m2) | Steel Grade | Min. Yield Strength (MPa) |
0.35 | 0.40 | 3.46 | AS1397 | G550 |
0.42 | 0.48 | 4.20 | AS1397 | G550 |
0.48 | 0.55 | 4.76 | AS1397 | G550 |
other thicknesses are subject upon stock availability and time delivery
RECOMMENED MAXIMUM ROOF LENGTH (M)
Slope in Degree Rainfall (mm/h) |
3° |
5° |
7° |
150 | 50 | 60 | 80 |
200 | 39 | 50 | 60 |
250 | 30 | 40 | 48 |
300 | 26 | 30 | 40 |
RECOMMENDED MAXIMUM SPACING OF SUPPORT
Base Metal Thickness (mm) | Total Coated Thickness (mm) | ROOFS | WALLS | ||
End Span (mm) | Internal Span (mm) | End Span (mm) | Internal Span (mm) | ||
0.35 | 0.40 | 900 | 1000 | 1200 | 1500 |
0.42 | 0.48 | 1200 | 1500 | 1700 | 2000 |
0.48 | 0.55 | 1300 | 1700 | 2000 | 2300 |
INSTALLATION METHOD
It is strongly recommended that sheets are laid with the side laps facing away from the direction of the prevailing wind. Where possible, the roof sheets should be fixed with the side laps facing away from the normal line of sight.
SIDE LAP AND FLASING Side lap fasteners are required at mid spans for purlin spacings over 1,000mm and for girt spacings over 1,200mm. For all side lap and flashing fastening, use no. 10 x 25mm self drilling Hexagon Head Screw with pre-assembled neoprene bonded steel washer.
END LAPS AP RIB is available in continuous length limited only by the maximum transportable length of 20m. For longer length, end lap is necessary. Minimum end lap should be 200mm and for roof pitches below 8º, the lap should be treated with a recommended sealant.
color coated corrugated steel roofing sheet
