Build Your Windows (0)
Lang Exterior Celebrates 65 Years!
Did you know Lang Exterior first opened its doors in 1953?
Join us in celebrating 65 years in business!
Ultra Tuff Aluminum Windows by Lang Exterior
Did you know Lang Exterior offers aluminum windows? Ultra Tuff aluminum windows are perfect for commercial use and have an innovative thermal break that makes them unbeatable for interior comfort.
> View Ultra-Tuff Aluminum Double-Hung Windows > View Ultra-Tuff Aluminum Picture Windows
Rescreening While You Wait - Direct to the Public
Did you know Lang Exterior offers expert window and door rescreening while you wait at our main Chicago location and did you also know that this service is available directly to the public, without a contractor?
> Find out more about Window and Door Rescreening > Rescreening Hours and Location
Thank you for your support for the past 65 years! We would like to repay you with NEWLY REMODELED SHOWROOMS AT OUR CORPORATE AND NORTHSIDE LOCATIONS FEATURING OVER 70 DIFFERENT WINDOWS on display, including Bows, Bays, Garden Windows, and our full line of Platinum windows! Please use our showrooms to introduce your clients to our many products.
Keep up with the most up to date savings offers when you like us on Facebook. Put the profit in your pocket with Lang Exterior!
How-To Videos by Lang Exterior
Learn how to clean the exterior of a Lang double-hung window. Learn about removing a sliding window sash and check out all of our other videos.
See Videos on Operating Lang Windows
More Videos: Inside Our Factories in Chicago, Illinois
Triple-Pane R5 Windows
U-Value .20!
R5 is the most energy efficient triple-pane option available.
Learn more about R5 triple pane windows and doors
View products with the R5 option:
Platinum Series
Powerweld Series
Renaissance Series
Glide Patio Doors
Join us on:
Copyright © 1953-2018, Lang Exterior, Inc, Chicago, IL. All rights reserved.
All subject to change without notice.
No part of this website, including artwork or text, may be reproduced or transferred to other websites, in whole or in part, in any form without written permission from Lang Exterior, Inc. (beyond that copying permitted by Sections 107 and 108 of the U.S. Copyright Law and except by reviewers for the public press).
Lang Exterior owns all rights or has license to such rights for its associated trademarks and copyrights of pictures on this website and company brochures. Lang Exterior does not authorize any customer or third party to use any of its associated trademarks, pictures or marketing information contained within this website and company brochures to mislead Lang Exterior current and potential customers as well as infringe on any such trademarks or copyrights described herein. Further, any customer or third party providing such trademarks, pictures, or information to mislead current or potential customers or infringing such trademarks and copyrights described herein will be liable under applicable law. If any legal fees occur the person committing the infringement will be responsible for all costs.
