Welcome to
Kielstrasiding & windows
Local Family-Owned Business in St. Thomas Since 1963
Services
What We Do
Kielstra Siding & Windows provides exterior home improvement and installation services throughout St. Thomas and Elgin County. From siding and soffit to eavestroughs, windows, and doors, we help homeowners update, maintain, and protect their homes.
Siding
View Services: Siding
Soffit & Fascia
View Services: Soffit & Fascia
Eavestrough & Gutter Guards
View Services: Eavestrough & Gutter Guards
Windows & Patio Doors
View Services: Windows & Patio Doors
Entry Door Systems
View Services: Entry Door Systems
About Us
Who We Are
A local business built on experience, Kielstra Siding & Windows has been serving St. Thomas and the surrounding communities since 1963. As a family-owned business, we’ve built our reputation on skilled craftsmanship, dependable service, and treating our customers right.
With decades of experience behind us, we know what goes into a good installation. From choosing the right products to nailing down the details, we’re here to make your next home improvement project a little easier.
21-197
View Project: 21-197
18-6215
View Project: 18-6215
21-020
View Project: 21-020
21-260
View Project: 21-260
18-6113
View Project: 18-6113
20-188
View Project: 20-188
26-011
View Project: 26-011
22-185
View Project: 22-185
25-247
View Project: 25-247
25-246
View Project: 25-246
Careers
Join Our Team
We’re always interested in connecting with talented, hardworking installers who take pride in their work. If you’re looking to join an established local company and work on a variety of exterior projects, we’d like to hear from you!
Why Work With Us
Long-Standing Reputation
Join a company that has been trusted by homeowners and builders for over 60 years.
Variety of Projects
Work on siding, soffit, fascia, eavestroughs, gutter guards, windows, and doors for both renovations and new builds.
Supportive Team Environment
Collaborate with experienced professionals who value skill, safety, and quality workmanship.
Opportunities for Growth
We invest in our team with training, tools, and opportunities to develop new skills.