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Why XL Building Products

Premier Wholesale Distributor

XL Building Products has proven itself as the leading window and door wholesale distributor in the St. Louis and Bi-State area since 1997. We maintain a large inventory of wholesale windows and doors for residential and light commercial applications while delivering exceptional customer service and great products at a price that’s right for you. Our experienced associates can recommend the options you need to determine the best-valued window or door selection for your project, style preferences and budget.

Selection & Product Availability

A few major concerns that customers face when having to choose a window or door company is the price, quality and selection of products. For almost 20 years, XL has provided a solid selection of various styles and sizes of windows and doors from top manufacturers in the industry, offering custom-made products to your specs with delivery from one to five weeks.

We offer many products – of various qualities – across the price-point spectrum to provide you with options to help determine the best-valued window or door selection for your budget. You can feel comfortable knowing that our professionals are prepared to give you the “Good-Better-Best” recommendations to help you to find the perfect materials to complete your project.

Active Partnership with Industry Leaders

At XL, our long-lasting supplier relationships provide us with easy access to draw upon experience, product knowledge and additional resources. Not only do our relationships with industry-wide experts help us stay in a product leadership position for new products, but they assist us in satisfying our customers.

Our commitment to high-quality customer service is second to none. We are a referral, customer-based business focused on meeting your specs, providing flexibility, a range of products and long-term support other wholesalers and big box stores simply just do not offer. You can be assured that our representatives know your business and understand the importance of monitoring project status for timely deliveries – saving you time and money.

In addition, XL may be the only window and door wholesalers with a full-time, experienced service technician on-staff to help you toward a profitable project completion. Let us quote your next job. We’ll provide a value-based bid with service before, during and after your sale.

Extensive Knowledge of St. Louis Municipality Codes

We have the experience and expertise to preserve and maintain our historic past for future generations. At XL, we work with the industry's major suppliers to create products that meet specific historic zoning requirements to preserve architectural and historic integrity. Not only do our products provide increased energy efficiency and aesthetic appeal, but they even meet very specific tolerances for tax credit and abatement projects.

St. Louis is home to some of the oldest historic properties. The city is filled with buildings of significant architectural merit that they are protected by city, state and federal historic district standards.

Whether you need color-finished aluminum windows for your Historic Shaw neighborhood home or wood windows with custom glazing for your property in the Historic Preservation District of Soulard, XL Building Products has the window solution for you. Learn more about our Historic Windows.

XL Building Products is here to help you! For more information, Contact Us in St. Louis today to speak to one of our associates.


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