Roof Purlin
Cold-formed steel secondary framing member installed horizontally along the roof to support metal roof panels and transfer loads to the main frame.
Specifications
Additional information
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Description
Roof purlins are cold-formed steel members used as secondary framing in metal building systems. Installed horizontally between the main frames, they support roof panels and help distribute roof loads—such as dead load, wind, and snow—back into the primary structure.
Purlins are typically supplied in C- or Z-shaped profiles and are sized according to span, loading, and building design requirements. They integrate with roof panels, clips, and fasteners to create a stable, continuous roof structure.
Commonly used in pre-engineered metal buildings, warehouses, shops, and agricultural structures, roof purlins are a critical component in both structural performance and roof system durability.
Features
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Supports metal roof panels between main frames
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Cold-formed steel member for strength and consistency
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Helps transfer roof loads into the primary structural frame
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Available in C- or Z-shaped profiles (by design)
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Compatible with standard metal building systems and roof panels
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