” ZEE ” SECTION PURLINS
Material: Galvanized/Black iron
Prepainted steel Grade 350 Mpa
Twist tolerance to be defined as follows:
A 6 meter long part is to lie flat on its own weight.
Zee purlins with web width (Dim. “A”) of 100 mm or
Less cannot be expected to be without twist
All Zee`s with leg lengths ( Dim.`s “B” & “C” ) of 54 mm or
more cannot have lip lengths (Dim. “D”) greater than 28 mm.
All Zee`s with leg lengths less than 54 mm cannot have lip lengths greater than 19 mm