C PURLIN & Z PURLIN

Structural strength and versatility for your roofing and wall systems.

C and Z purlins are structural components commonly used in metal building construction, particularly for roofs and walls. They are named after their cross-sectional shapes, which resemble the letters “C” and “Z.” These purlins are typically made from cold-rolled steel or galvanized steel, offering strength, durability, and resistance to corrosion. Their unique shapes provide high load-bearing capacity while keeping the weight of the structure relatively low.

C Purlins

C purlins are shaped like the letter “C” and are generally used as side rails or support members in a roof or wall system. They are easy to install and provide good structural stability for shorter spans. The open side of the C shape makes it simple to bolt or screw other materials directly onto the purlin, which is helpful in many construction applications.

Z Purlins

Z purlins, on the other hand, have a “Z” shape, which allows them to overlap at the joints, creating continuous spans over multiple supports. This design makes Z purlins particularly suitable for longer roof spans, as they can provide greater rigidity and reduce the need for additional supports. Z purlins are often preferred in modern steel structures for industrial, commercial, and agricultural buildings.

Why Choose Our Purlins?

Both C and Z purlins are lightweight, cost-effective, and versatile, making them widely used in roofing, wall cladding, and structural framing. They can be easily cut, shaped, and bolted into place, reducing construction time and labor costs. Their corrosion-resistant coating ensures longevity, while the standardized sizes and thicknesses allow for consistent quality and easy replacement or expansion of the structure.

Technical Specifications

C Purlin Specifications

Web	Flange	Lip	Thickness	Material	Finish
80MM-100MM	40-45MM	12-16MM	1.5-2MM	HOT ROLLED-E250/E350 COLD ROLLED GALVANISED Z120/Z250 GALVALUM AZ70/AZ150	PAINTED / RAW
100MM-140MM	45-55MM	15-20MM	2-2.5MM
140MM-200MM	55-80MM	20-25MM	2-3MM
200MM-260MM	60-100MM	20-25MM	2-3MM
280MM-300MM	60-100MM	20-25MM	2-3.2MM

Z Purlin Specifications

Web	Flange	Lip	Thickness	Material	Finish
100MM-140MM	45-55MM	15-20MM	2-2.5MM	HOT ROLLED-E250/E350 COLD ROLLED GALVANISED Z120/Z250 GALVALUM AZ70/AZ150	PAINTED / RAW
140MM-200MM	55-80MM	20-25MM	2-3MM
200MM-260MM	60-100MM	20-25MM	2-3MM
260MM-280MM	60-100MM	20-25MM	2-3.2MM
280MM-300MM	60-100MM	20-25MM	2-3.2MM

Standard Punch Sizes

PUNCH SIZE
14*22
16*24
12*20
12mm Dia
14mm Dia
16mm Dia
18mm Dia
10mm Dia
20mm Dia

* Custom sizes and specifications available upon request.

Need Purlins for Your Project?

Get Free Quote