Z & C Purlins

Z & C Purlins

BSSM INFRA purlins, girts, and eave struts are secondary structural members used to support wall and roof panels. BSSM INFRA purlins are utilized on the roof, girts on the walls, and eave struts at the intersection of side walls and roofs. BSSM INFRA purlins, girts, and eave struts are designed in accordance with the American Iron and Steel Institute (AISI) and the cold-formed design manual. BSSM INFRA sections can be used over single spans, unlapped continuous, and lapped continuous spans in multi-bay buildings. BSSM INFRA Z&C purlins are available in two standard finishes: Red Oxide and Galvanized.

Material Specification

• IS 513/IS 277/IS 10748/IS 1079
• G240 MPA/G340 MPA/G550 MPA, Z 120 GSM/Z 275 GSM & Z 180 GSM
• G indicates Yield Strength in MPA & Z indicates Coating Mass in G/M2

Steel Grade

• BSSM INFRA Zed & CEE Purlins with punching

Thickness

• Sleeves
• Cleats
• Sag rods

HR Purlins

• Yield Strength - 240 MPA
• Option - Redoxide Primer Coating

GI Purlins

• Coating Mass - 120 GSM / 180 GSM / 275 GSM
• Yield Strength - 240 MPA / 340 MPA / 550 MPA

Application

Economy

• Up to 50% savings in steel consumption
• Up to 30% savings in costs
• Reduced transportation and handling costs

Design

• High strength and versatile section options
• Shear center within the section reduces twisting risk

Structure

• Sleeve system enhances continuity for larger spans with no design complications.
• Superior surface finish with reduced weight per unit length, maintaining structural efficiency.
• Complies with IS-801 and IS-811 standards.

Practica Advantages

• Sections can rotate 180 degrees for easy assembly and fit.
• Comes with a complete range of fixing accessories, eliminating the need for extra materials.
• Pre-painted, pre-engineered, and pre-punched sections ensure no additional fabrication is needed, saving on erection costs and time.

Typical Connection

Handling and Storage

• Handle purlins with care during on-site storage.
• Minimize the time between delivery and installation.
• Neatly stack purlins on slightly sloped ground for effective water drainage.
• Protect purlins with waterproof covers in open site conditions to prevent condensation.
• If purlins get wet, separate them and wipe dry promptly.

Technical Specification

TECHNICAL SPECIFICATION OF Z AND C

Purlin DEPTH	Thickness	Mass	ZED PURLIN		CEE PURLIN
D	T	(Kg/M)	F	L	F	L
160	2.00	4.82	60	20	60	20
200	2.00	5.44	60	20	60	20