Kielstrasiding & windows

Since 1963, our family-owned and operated business has proudly served St. Thomas and the surrounding area, providing quality windows, siding, and exterior home improvements.

Built on generations of experience, we’re committed to honest service, skilled craftsmanship, and products that stand the test of time. While materials and methods have changed over the years, our dedication to doing the job right has remained the same.

As a local company, we value our reputation and the relationships we’ve built within the community. From consultation to installation, we take pride in helping homeowners improve comfort, efficiency, and curb appeal with service they can trust.

For over 60 years, our customers have counted on us—and we look forward to continuing that tradition for generations to come.