Welcome to Kielstra Siding & Windows
Family-owned and operated, Kielstra Siding & Windows is the preferred choice in St. Thomas and Elgin County for reliable, professional installation of quality siding, eavestrough, windows, and doors.
Our knowledgeable staff and friendly installers will make sure your job is done right, and done on time.
For nearly 50 years, the Kielstra family has supplied and installed quality materials from leading suppliers, such as North Star Windows® and James Hardie® Siding.
Free Estimates Available
"Just a note to thank you very much for the superb job you did at our house. The compliments that we have received, and there have been many, is directly related to your fine workmanship."