The T-138 Panel is a symmetrical, mechanically seamed roofing and wall solution designed for flexibility, performance, and long-term durability. With a 1⅜" rib height and panel widths from 18" to 24", it’s perfect for low-slope roofs, architectural accents, and concealed fastener wall systems. This panel can be curved onsite (16" and 18" widths only) with a minimum steel radius of 10’, making it ideal for both convex and candy cane radius applications. Built to meet UL Class 90 wind uplift and UL Class 4 impact resistance, the T-138 offers industry-leading protection. Its symmetrical design allows for easy panel replacement — perfect for future building modifications. On-site roll forming and mechanical seaming tools are available, ensuring a precision fit and weather-tight seal for any project.
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The T-138 Panel isn’t just built for beauty — it’s engineered for elite performance. With approvals like UL 580 Class 90 for uplift, UL Class A fire rating, and UL Class 4 impact resistance, this panel holds its own in the harshest environments. It’s an ideal fit for both roofing and wall applications, with reduced air infiltration thanks to its mechanically seamed cap and in-seam sealant. The panel’s symmetrical design means individual panels can be easily removed and replaced — a huge benefit for future repairs or modifications, especially on 40Year+ paint system roofs. Whether you’re retrofitting an old roof or designing a sleek new wall system, the T-138 brings unmatched durability, flexibility, and precision.
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