TH Z-purlin is produced from Hi-tensile galvanised steel. The technology used in cold roll forming process ensures stability and accuracy in its dimensions and lengths.

The purlins supplied are cut to length and pre-punched hole(s) to ease with roofing designs, cladding supports and light weight frame structures.

Category:

Z-PURLINS: DIMENSIONS & PROPERTIES

RECOMMENDED HOLING, CLETS AND FASTENING DETAILS

Standard THZ- sections are supplied with optional holes punched to order. Punched C-section can be supplied with H14, H16, H18 or elongated holes, with recommended cleat size as stated in table below

GALVANISED STEEL Z-PURLIN

DIMENSIONS AND PROPERTIES

The Z-Purlins are normally used as simple supports. Sections of sufficient length may also be used continuously over two or more spans to reduce deflection.

DETAIL OF STANDARD TIE ROD

SECTION PROPERTIES

CONSTRUCTION DETAILS 

GALVANISED STEEL Z-PURLIN

Upper lip of Z-Purlin should face upper slope. Outside lips of girts should face upwards.Galvanised Steel Z-Purlin