Z & C Purlins

Z & C Purlins

ALFAA purlins girts & eve struts are secondary structural members used to support the wall and roof panels. Alfaa purlins are used on the roof, girts are used on the walls and eve struts at the intersection of side walls and roofs.

ALFAA purlins, girts and eave struts are designed in accordance of the American Iron and Steel Institue (AISI) then cold formed design manual.

ALFAA sections may be used over single spans unlapped continuous and lapped continuous span in multi bay buildings.

ALFAA Z&C purlins are available in two Standard Finishes i.e., Red Oxide, Galvanized

PU/PIR Sandwich Puf Panels
C Purlins
PU/PIR Sandwich Puf Panels
Z Purlins

Advantages

Economy
  • Savings in steel consumption upto 50% and savings in cost upto 30%
  • Savings of transportation & handling, erection and fabrication costs
  • No wastages, No surplus left-overs, since sections are supplied in exact required lengths
Design
  • High strength, section versatility & wide range of choice
  • Having their shear centre within the section, less liable to twist
Structure
  • Sleeve system to exploit continuity concept for larger spans
  • Empirical design rules apply, hence no design problems
  • Excellent surface finish
  • Less weight per unit length compared to conventional section without sacrificing the required structural efficiency
  • Conforming to the requirements of IS-801, IS-811
Practical Advantages
  • Ability to rotate 180 degrees and fit together
  • A full range of fixing accessories is supplied. Therefore no extra material needs be procured
  • Sections supplied are pre-painted hence prevents corrosion and promotes long life
  • Sections are pre-engineered, pre-punched and with complete accessories. No further fabrication required . Considerable savings in erection costs and time.
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