Lang Exterior Blog

We Manufacture the Products We Sell

The Lang Exterior, Inc.™ Guide to Windows

Windows by Lang Exterior, Inc.™ Awning Windows hinge from the top and crank outward. Bay Windows project outward and can have double hung or casement windows on the ends with … Continue reading

April 1, 2014

Renaissance 8000 Series Windows

For more information on our Renaissance 8000 series of windows visit our website.

February 19, 2014

Lang Exterior’s Main Website

Lang Exterior, Inc. – Vinyl and Aluminum Replacement Windows and Pation Doors. Replacement windows built in Chicago for over 60 years  and delivered anywhere in the continental United States.

October 25, 2013

Lang BOW windows

Lang Exterior makes great BOW windows. Bow windows add a dramatic touch to your home. Make it that special room brighter and more inviting with multiple equally divided windows, and … Continue reading

October 12, 2013

R5 Super Series

We make Being Eco-Friendly Easy The largest source of heat loss in a consumer’s home could be greatly improved upon when purchasing an R5 window. It may be possible to … Continue reading

March 15, 2012