This produces a wide range of C and Z-Purlins are roll-formed from high-tensile zinc coated steel. The cold roll forming process ensures a high degree of consistency and accuracy in the dimension of the sections. The C and Z-Purlins are supplied according to length and pre-punched holes either round or elongated on the webs, thus enabling immediate installation at site.
Specification
Tolerance
Astino C-Purlins are produced within the following tolerances:
Length: ±5mm
Web (Dim. H): ±3mm
Flange (Dim. B): ±3mm
Hole centres: ±2mm
Thickness: ±0.18mm
Dimension and properties
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