We Manufacture Your Steel Building Kits in the USA & Ship Direct...Worldwide!



  • More durable and stronger than vinyl
  • Hard Baked on Finish for years of performance
  • Easy Installation
  • Optional Built-in “Step Saver” Trim, fully extruded frame for added strength

Plyco Series CTB500 pre-assembled horizontal thermal break windows

Commercial Window: The Plyco Series CTB500 pre-assembled horizontal thermal break windows save you time and money. This means:

Aluminum frame and grids make this window stronger and more durable than vinyl windows.

Available in popular Polar White, Hickory Moss, Bronze and Brown colors using a hard baked finish for years of performance.

Available with Tinted, Tempered, Mirrored or Safety Glass.

Completely pre-assembled and controlled under factory conditions.

Installs quickly using Plyco’s Step Saver optional trim or nailing flange.

For this month’s building specials call (800) 825-0316!

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Watch a video testimonial by a satisfied Worldwide Steel Buildings customer talking about his new steel building kit.

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