Sigma Purlins JBFS

Sigma Purlins JBFS

Product Description:

JBFS FlexiBal® Sigma Purlins provide the perfect solution to today’s industry needs of pre-engineered, pre-cut, precise, superior quality and ready-to-assemble sections. Purlins are beams that are designed to form the roof and wall joists of a building structure, sitting between the roofing sheets and the building, acting as a support for the sheet to ensure it is firmly attached and safely in place. Sigma Purlin provides better efficiency owing dimensionally smaller plane areas thereby allowing longer span length. The FlexiBal® Purlins are accurately roll-formed using Precision Automatic Roll Forming machine from high-strength lightweight Mild Steel base with Zinc (Galvanise) coating in required dimensions to provide an efficient, lightweight, economical purlin. An excellent choice for all kind of Pre-Engineered Building solutions.


  • High Strength-to-Weight ratio: Allows extra spanning capability for the most cost-effective structures and reduces transportation costs.
  • Fast Installation: Purlins supplied in precise customizable lengths and pre-punched eliminating need of any fabrication, cutting or welding at the site.
  • Long Life: Purlins are made from Zinc coated steel allowing greater corrosion resistance and lasts longer under extreme weather conditions.
  • Economical: Helps you manage your budget without any compromise with saving in construction cost up to 40% and up to 50% saving against the conventional use of Angles/Channels.
Material Mild Steel / Galvanised
Length  As per requirement
Thickness 1.6 – 3mm
Depth 200 – 300 mm
Flange 65 mm
Lip 20 mm
Corrosion Coating Mass 120 GSM / 275 GSM
Minimum Yield Strength  240MPa / 345 MPa
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We have various kinds of Purlins such as Z Purlin, C Purlin, Galvanized Purlin, Sigma Purlin, etc. Standard length is 6 Meter and we can also provide purlins as per the requirements of customers.
No product will have the same durability because there is a corrosive effect in sea air or salt. However, we provide a variety of coatings for roofing sheets. For further queries, please contact us.
Through JBFS Engineering Systems Pvt. Ltd. offer economic structural building solutions. We can provide you with the steel buildings as per your requirements or budget. Contact us for a quote.
Accessories are elements that are built into the formwork and it is vital for the operation as well as assembly of the equipment as they ensure the right performance. For purchasing good quality shuttering accessories you can rely on us.
Yes, Being one of the reputed scaffolding and shuttering products manufacturers in Kolkata, we do sell scaffolding & shuttering products throughout India. Our offered products include cuplock scaffolding, MS shuttering, steel girder bridge, etc. Contact us for your precise requirements.

Our Clients

Vijay Nirman
Rashmi group
ABCI Infrastructures PVT LTD
Lioyd Insullations
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