Z-Bars are steel window sections with a cross-section shaped like the letter “Z.” These steel bars are used as stops or rebates in window frames, playing an essential role in holding glass securely in place or serving as a connecting piece for added stability.
Z-Bars are designed for both function and durability, ensuring reliable support while maintaining clean, professional window finishes.
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Z-bars and Z-purlins are available in a comprehensive range of heights and thicknesses optimized for continuous-span roof framing. For complete technical data — including all sizes, masses, and weights per 6m — download the 2026 Product Handbook.
Access detailed dimensions, thicknesses, masses, and weights per 6m for all Z-bar sizes supplied by Regan Industrial — covering ASTM A653 and A570M certified cold-formed Z-sections for roof and wall framing.
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Common Questions
Z bars and Z purlins are both Z-shaped steel sections, but they serve different structural purposes.
• Z bars are general structural components used for framing, bracing, and custom steel applications.
• Z purlins are specifically designed for roofing systems to support roof sheets and distribute loads across the structure.
Yes, Z bars can be cut and customized to meet specific project requirements. They can be trimmed to the desired length or modified based on structural needs, making them flexible for different applications.
Z bars are commonly used in construction, manufacturing, and industrial applications. They are ideal for structural framing, bracing, and support components in buildings, as well as in equipment, machinery, and custom fabrication projects.
Their versatility makes them suitable for a wide range of industries, including infrastructure, warehousing, and metal fabrication.
Looking for a specific Z-purlin height, thickness, or galvanized option for your roof or wall framing system? Our Sales Team can confirm stock, pricing, lapping recommendations, and delivery — fast and with no runaround.
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