C-section purlins are structural components commonly used in building construction, particularly in roofing and wall systems. They are shaped like the letter “C” and are typically made of steel or other durable materials.

Here are some key characteristics and functions of C-section purlins:

1. Support: C-section purlins provide horizontal support for roofing or wall cladding systems. They are typically installed parallel to the slope of the roof or the vertical wall studs.
2. Attachment Points: Purlins serve as attachment points for roofing or cladding materials, such as metal panels or sheets. These materials are fastened to the purlins using screws or other mechanical fasteners.
3. Load Distribution: C-section purlins help distribute the weight of the roof or wall loads evenly across the building structure. This helps prevent sagging, deformation, or structural failure.
4. Spacing and Sizing: The spacing and sizing of C-section purlins depend on factors such as the design requirements, building codes, and the type of roofing or cladding material used. Proper spacing ensures adequate support and load distribution.
5. Versatility: C-section purlins are versatile and can be used in various building applications, including industrial, commercial, agricultural, and residential construction projects.
6. Durability: Made from high-strength materials such as galvanized steel, C-section purlins offer durability and resistance to corrosion, rust, and other environmental factors.
7. Cost-Effectiveness: C-section purlins are cost-effective compared to traditional timber purlins or other structural support systems. They offer a combination of strength, versatility, and ease of installation at a competitive price point.

Overall, C-section purlins play a critical role in providing structural support and stability to building roofs and walls, contributing to the overall integrity and longevity of the structure.