When you want to bring a contemporary, sleek look to your home design, Monumental Windows and Doors’ 3000 Series Horizontal Sliding Window is the perfect choice. 


Crafted with thermally broken aluminum frames and 1-inch quality glazed glass, this horizontal sliding window provides superior air infiltration performance while maintaining an efficient thermal barrier—so you get both style and comfort. Our horizontal sliding windows not only enhance the beauty of your space, but also add value to your property.


The 3000 series horizontal sliding window is thermally-broken and fabricated for 1″ glazing. The frame is designed to integrate with other 3000 series luxury aluminum windows into multiple panel and window wall configurations, while maintaining even sight lines. The durable self-latching hardware ensures that the window is locked when the vent is closed. 


The 3000 Series Horizontal Sliding Window has been designed for maximum strength and durability even in harsh weather conditions. The aluminum frames are thermally broken, so they provide an additional layer of insulation that helps reduce energy bills by keeping heat inside in winter and outside in summer. Additionally, our horizontal sliding windows come with an array of customizable features such as secure locks.


At Monumental Windows and Doors, we are committed to providing our customers with superior quality horizontal sliding windows that combine energy efficiency and aesthetics. Our 3000 Series Horizontal Sliding Window is the perfect solution for those who want to add a modern touch to their homes and businesses while also improving the energy performance of their space. Contact us today to learn more about our thermally broken aluminum horizontal sliding windows. 


  • Durable thermally broken aluminum frames
  • Extra-thick insulated glass
  • Variety of custom shapes and sizes to fit any opening
  • Easy cleaning features such as tilt-in sashes and removable screens
  • Superior weather resistance due to powder-coated finish
  • Multiple panel and window wall configurations
  • Effortless operation
  • Modern details
  • Sturdy hardware

Benefits of Monumental Window Products

The thermally broken aluminum construction is designed to improve energy efficiency and reduce heat loss. The robust frame of the 3000 Series Horizontal Sliding Window ensures durability and stability, while modern details add a touch of style to any project. The window can be opened with minimal effort, thanks to its self-latching hardware. And lastly, it’s available in a variety of configurations and colors for added design flexibility.


At Monumental Windows and Doors, we pride ourselves on providing premium window solutions that meet both your design needs and budget requirements. Our horizontal sliding windows are an excellent choice for residential projects offering superior performance, aesthetics, and luxury.

We also offer sliding glass wall and oversized sliding glass doors through Monumental’s builders and dealers. Take a look at our full brochure to learn more about our products.


Our 3000S can be produced in numerous configurations including XO, OX, XOX and custom configurations.

Available in nail-on or block frames.