8640 Welby Road Thornton
Thornton, CO 80229
24/7 M-F Closed Weekends
James Hardie®
Siding Specialists
No one is more qualified to install James Hardie® siding than Ultimate Exteriors. We have been recognized by James Hardie® as the #1 rated company in the entire USA for quality installations of their product!
Quality Exterior Renovations
Ultimate Exteriors of Colorado is proud to offer the best products for your home’s exterior beauty and durability. Call us today and learn how we can turn your house into your dream home.
Milgard® Windows & Doors
Quality is our focus! We do not want to get too large because we want to stay customer-centric and offer hands-on, personal, professional service throughout the journey of home improvement.
Ultimate Exteriors of Colorado has been completing exterior home renovations for homeowners along Denver's Front Range for nearly 30 years.
Ready to plan an exterior home makeover?
Our Customer Reviews
I used Ultimate Exteriors of Colorado to replace cedar siding on part of my house; they did an excellent job! The job site was kept clean. The attention to detail...
- Michele Olson
I had Ultimate Exteriors reside my entire home several years ago. These guys as craftsmen! They take the time to do it right and it shows and are super careful...
- J P
Blog Posts
What Type of Roof is Best in Colorado
What Type of Roof is Best in Colorado?

Colorado weather can wreak havoc on your roof. We have severe winds, blistering sun, torrential rains and up to baseball sized hail, and possibly all [...]
How To Choose the Right Roofing Contractor
How To Choose the Right Roofing Contractor

Choosing the right roofing contractor can be a daunting task. With all the horror stories of roofers taking money and never completing the work. Completing [...]
Top 5 Maintenance Tips to Keep your Roof in Great Shape
Top 5 Maintenance Tips to Keep your Roof in Great Shape

Over time, every roof in Metro Denver and Colorado will sustain damage and start to deteriorate. There are steps you can take to lengthen the [...]
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