Like Nolan, We’re a LEADER in the GAME!

Nolan Ryan on Siding

“I trust Allied Siding & Windows to do the work on my home and you should too.”


Baseball Legend


3 Convenient Locations To Serve You
(713) 946-3697
(512) 674-3464
(972) 888-9988

Since 1988, Allied Siding & Windows Has Serviced Over 25,000 Satisfied Customers with Home Improvement Projects in Texas, Including Unprecedented Work with HardiePlank® Lap Siding and window replacements for the home.

In fact, Allied Siding & Windows installs more HardiePlank® Lap Siding than any other company in America. Now with sales and production teams in Houston, Austin, and Dallas, Allied Siding & Windows is equipped to deliver award-winning products and high-quality service in the completion of projects involving siding, replacement windows, roofing and gutters.

Our work with HardiePlank® Lap Siding and Simonton® Replacement Windows has earned national recognition. This level of excellence and performance is apparent in every Allied Siding & Windows division.

Leonard Courtright, owner and president of Allied Siding & Windows, has more than 25 years of experience in the service industry, and he believes that complete customer satisfaction is the key to Allied’s continued success. The business he has built on professional integrity and world class workmanship is showcased on these pages for your review, in hopes that Allied Siding & Windows can soon be of service to you!