Window Types
Looking for new windows? XL Building Products in St. Louis has the window solution for you! Explore our selection of window types below to learn more information. You are sure to find the window type you need for your project.
New Construction Windows
At XL Building Products, we offer a wide selection of premium new construction windows available in a variety of shapes, styles and designs – tiered to fit any budget. We can even custom make windows to meet your style preferences and exact specifications.
Replacement Windows
Restore the look of your home with replacement windows from XL Building Products. We have a large supply of replacement windows in a variety of frames, styles and glass options. Our team will help guide you through the selection process and help you choose the best windows to fit the style and desired functionality of your home or project. View our replacement windows today!
Custom Windows
Make a statement on the interior and exterior of your home or business with custom windows from XL Building Products. We have worked with many contractors and homeowners to build unique windows in nearly any shape and size you can imagine. From geometrical shapes to custom window grids, your custom window options are endless. We will help bring your unique vision to life.
Historic Windows
Maintain the charm and elegance of your property with historic windows from XL Building Products. Whether your project involves hundreds of windows with special radius designs in a historic commercial building or a few custom-shaped windows in a residential home, we have extensive knowledge and experience in preserving and maintaining the architectural and historic integrity of St. Louis historic windows.
R, LC, CW, AW Rated Products
XL Building Products ensures that our windows and doors meet performance classes defined by NAFS, AAMA, WDMA, etc.
- R Class - Residential Windows, Low rise, single-family homes
- LC Class - Light Commercial Windows for low to mid-rise multifamily, hotels, or offices
- CW Class - Commercial Windows for mid-rise buildings, schools, hospitals, offices
- AW Class - Architectural Windows for high-rise buildings or where max durability is required
European Style Tilt/Turn
A European-style tilt/turn window is a highly functional and secure window design that combines two opening functions in one sash; Tilt-In which allows for ventilation without being fully open and Turn-In which allows the entire window to swing inward for cleaning and max airflow.
Multi-Slide / Folding Walls
Multi-slide and folding walls are advanced door systems that create large, operable openings in buildings—blurring the boundary between indoor and outdoor spaces. They're commonly used in luxury homes, hospitality, and commercial settings to maximize natural light, airflow, and views.
Want to learn more about our different window types? Contact Us in St. Louis today to speak to one of our window professionals.
