Historically Approved Window Replacement

St. Louis is a city full of rich history in its architecture. There are countless homes, government buildings, commercial spaces and many other types of buildings that carry St. Louis' rich history in their walls, windows and doors. XL Building Products is proud to be one of St. Louis' premier providers of historic window replacement. 

We abide by the City of St. Louis' list of approved historic windows and carefully follow all city and state codes to ensure proper removal and installation on even the oldest of buildings. If you own a historic building in St. Louis and are looking to have your windows replaced, contact us today! We provide free on-site measurements to ensure flawless installation from start to finish. 

Our Houzz

Looking for some inspiration? Check out our Houzz profile to stay up to date on our latest projects and styles!