Ultra-Slim Design:

Get the most modern look with super-thin aluminum frames – the slimmest on the market!

Any Shape You Want:

Whether you prefer circular or arched windows, we can create them to match your unique taste.

Easy Installation:

Enjoy hassle-free installation with preglazed windows, eliminating the need to remove glass during setup, saving you time and effort.

Flexible Glazing:

You can use glazing beads inside or outside, which is perfect for unique projects and spandrel panel areas.

Concealed sash:

For windows that open inwards, we've hidden the frame, so your space looks sleek and stylish.

Easy conversion:

Transform traditional curtain wall designs with our innovative window system, enhancing both functionality and aesthetics.

Monumental Sizes:

Our windows can be impressively large. In fact, the largest one we've crafted was 8 feet wide and an astonishing 42 feet tall - imagine the incredible views you can enjoy!


Discover the legacy of Slim as Steel where our story in aluminum window fabrication began in 1997. Passionate about transforming spaces, we've evolved into a leading force, blending craftsmanship and innovation. With a focus on precision and durability, our windows redefine excellence. Join us as we continue crafting history, shaping views, and creating experiences. Explore Slim as Steel – Where Craftsmanship Meets Innovation.

Explore Slim as Steel – Where Craftsmanship Meets Innovation.