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About the business:
Glenlo Awning & Window Company is a manufacturer, wholesale distributor, and installer of aluminum awnings, patio covers, carports, screen enclosures and wall systems, three and four season rooms and replacement windows. Glenlo Awning & Window Company has been serving the greater St. Louis metropolitan area since 1969. We have expanded to the St. Charles, MO. and surrounding area as well as the Kansas City-Blue Springs, MO. and surrounding area. We are a family owned Missouri corporation registered in June of 1969. We take great pride in not just selling these products, but also in their professional installation. We're very proud of our reputation for not only our quality installations, but for our excellent service as well. With a hard working team, Glenlo Awning & Window Company has strived since 1969 to maintain an excellent work ethic, high morals, and great service to all of our customers.
Services:
All services 1
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Hours of operation
- Mon – Fri
- Sat – Sun
- 8:00 AM – 4:30 PM
- Closed
Latest reviews
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Bill F17 August 2026
We just had all new windows and two doors installed by Glenlo in July of 2026 and we're really happy with everything. Rick, Terry and Chris were all helpful and professional, and they made the process go smoothly from the estimate to the completion. They arrived and finished when they said they would and everything looks and functions great. Chris is a very experienced installer and he was also good about cleaning up afterwards.
We had already used Glenlo for a screen porch in 2018 and we were impressed with their work back then, and since we've never had any issues, we were happy to use them again for this more recent project. I would contact them again for future projects without a doubt.
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Jim Loeffelman17 June 2025
We built a new home with a covered porch 3 yrs ago and contracted Glenlo to enclose it with screens and a door shortly after it was completed. The salesman, Tim Pinnon, was very helpful and even followed up after the installation. The installers did a great job especially integrating the frame into the trim work.
Three yrs later it still looks again good as new. This is by far our favorite “room” of our house!
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Julie Schwarz10 April 2024
Our new windows were installed on Monday, finalized on Tuesday, we are thrilled. The windows look great, so much nicer than the cheap builder grade ones that were there. Ron and his helper did a fantastic job, cleaned up everything and were very pleasant to work with. I appreciate the work that Ron did, worked his tail off. Gotta appreciate a hard working man.
