The U250 profile is a simple square, roll formed with a single flute on the valley of the roofing sheet, which can also be used for decking.


Product specifications

Feeding width: 914 mm / 940mm
Effective cover width (EW): 762 mm
Rib height: 24 mm (Nominal sheet depth)
Tensile strength: G550
Coating class: AZ 150
Recommended total coated thickness: 0.47 mm and 0.40 mm
Colour range: Non- colour and Colourbonded steel
Maximum transportable length: 20ft – 40ft depending on length of transport trailer

Profile diagram Specifications summary `RANDEK’ U250 (in mm)

Base metal thickness (mm) Total coated thickness (mm) Mass/area kg/m² Effective sheet cover width (mm) Nominal sheet depth (mm) Minimum recommended roof slope Maximum recommended supports spacing for normal conditions
0.35 0.40 4.316 665 39 Roofs :
Internal span - 2000 mm
End span - 1200 mm

Walls :
Internal span – 2800 mm
End span - 1700 mm
0.42 0.47 5.071

Fasteners / screws complementing the roofing / cladding range

Recommended screw spec - 65 mm delta coated screw