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TRUSTED BY THORNTON, CO HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon444
    Verified siding services reviews

Find Siding pros in Thornton

Avatar for GS Exterior Experts
GS Exterior Experts
4.7(
148
)
Wood or Fiber-Cement Siding - Install or Completely Replace

Serving Thornton, CO and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Emergency services offered

"Category: Siding, Roofing, Gutters, Deck Work Overall Rating: A Price: A Quality: A Responsiveness: A Punctuality: A Professionalism: A After moving to Boulder, we hired GS Exteriors to install James Hardie siding, a Class 4 roof, soffits, gutters, and make deck improvements. They did excellent work, responded quickly to all concerns, and their team was professional from start to finish. Special thanks to: • Oswald, our project manager, who was calm, professional, and true to his word • Erwin, who showed up daily and gave 100% • Wesley, the foreman, who went above and beyond • Jon Virgil, who supported us from beginning to end Highly recommended. Great value, great team, and great results!"
Elizabeth CO re side project
woodtone rustic series summer wheat
New james hardie siding and trim
Multi family exterior remodel
Elizabeth CO re side project

+174

Response time1 day
Response rate100%
38 neighbors recently requested a quote
Avatar for WestPro Home Exteriors
WestPro Home Exteriors
4.9(
15
)
Wood or Fiber-Cement Siding - Repair or Partially ReplaceWood or Fiber-Cement Siding - Install or Completely Replace

Serving Thornton, CO and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"WestPro worked with me on an insurance denial for obvious hail damage for over a year. Because of their dedication I was able to have my roof replaced. The work was top notch and I have had my roof complimented by my neighbors several times. Would highly recommend."
Frederick Siding Upgrade
Boulder Roof Replacement
Longmont Roofing Upgrade
Longmont Roofing Upgrade
Siding Replacement Lyons

+8

41 neighbors recently requested a quote
Recommended by61%of homeowners
Avatar for Bellwether Windows, Siding, & Doors
Bellwether Windows, Siding, & Doors
4.8(
26
)
Wood or Fiber-Cement Siding - Install or Completely Replace

Serving Thornton, CO and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"After looking for a couple of years and not being able to find a siding company that would smaller jobs, I finally found Colorado Siding Repair. They came out and reviewed the job to replace one wall of siding on my garage that was badly warped. I chose to use a different type than the original, remove a damaged vent, etc. and it came out perfect. They were prompt, kept the work area clean, did some additional finish details to make the front of my house look great. I had one small issue and they promptly came back out and fixed it immediately. I highly recommend this company (and have to several people). They are doing a great service by offering repair/replacement on smaller jobs."
Response time1 day
Response rate100%
43 neighbors recently requested a quote
Avatar for BK Contractors
BK Contractors
4.6(
86
)
Metal Siding: Install or Completely ReplaceWood or Fiber-Cement Siding - Install or Completely Replace

Serving Thornton, CO and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

"All the work went well. Paulo was very professional and responsive. We had a few delays that were out of his hands - mostly due to suppliers who were behind schedule. Nothing major, but Paulo communicated about all of these in a timely fashion. We replaced all of our vinyl siding with James Hardie board. Also replaced several exterior windows. Paulo also replaced all of our old gutters. Everything was painted to order including old soffets and fascia. Someone touched up the drywall texturing around the new windows and then painted everything to match. The work was done efficiently. They paid attention to detail and fabricated nice trims around outlets and utility vents. My only gripe would be that they didn't leave the roof clean, and after the first rain, I found a lot of debris and nails that had blown down into the yard and driveway. Everybody on his crew was friendly and respectful. There was always at least one person on site who spoke perfect English."
Victor Street Interior/Exterior Home Remodel
Arvada/Garland Street
Golden Siding Replacement and Concrete Patio Pour
Knox Court
Westminster Irving Renovation

+116

Response time2 days
Response rate100%
5 neighbors recently requested a quote
Avatar for Home Genius Exteriors
Home Genius Exteriors
4.8(
251
)
Vinyl Siding - Install or Completely ReplaceWood or Fiber-Cement Siding - Install or Completely ReplaceMetal Siding: Install or Completely Replace

Serving Thornton, CO and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Very professional from start to finish. My Hardi plank siding had cracks and broken pieces missing. I had to replace that side of my house. Home Genuis did an excellent job replacing my siding. They started on time and finished on time and effectively communicated each step. The Project manager AJ was superb."
161 neighbors recently requested a quote
Recommended by57%of homeowners
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Siding questions, answered by experts

Thornton’s weather—marked by hail, wind, and temperature swings—directly affects siding material selection and installation timing. The age of your home, original siding type, and soil stability all shape project planning. Seasonal weather patterns, neighborhood layout, and property access can influence scheduling. Be sure to review HOA guidelines and local energy codes, as these may require specific materials or insulation upgrades.

Helpful?

For siding projects in Thornton, fiber cement, vinyl, and engineered wood are excellent choices due to their durability in Colorado’s climate. These materials resist hail, strong sun, and temperature swings, while also offering fire resistance—a key factor locally. Choosing UV-protected and impact-resistant options helps maintain your home exterior’s appearance. Local contractors can recommend weatherproofing supplies suited to Thornton’s unique conditions.

Helpful?

In Thornton, it’s important to gather details like your home’s age, current siding material, and architectural style, as these influence both aesthetics and installation methods. Measure the wall area and check insulation or sheathing condition for energy efficiency. Note any past repairs, foundation type, and roofline complexity. Also, consider how window and door trim or landscaping might impact access and project planning.

Helpful?

In Thornton, siding installation can impact systems like exterior lighting, electrical wiring, HVAC vents, and cable lines that run along your home’s exterior. Before starting, inspect insulation and moisture barriers, as upgrades here can boost energy efficiency. Watch for areas where siding meets windows, doors, or landscaping, since these spots may require extra attention to prevent moisture intrusion or accidental damage.

Helpful?

After siding installation in Thornton, check all caulking, trim, and flashing to confirm they’re sealed against moisture. Remove debris and document any minor repairs needed. In the first year, look for settling or weather-related changes each season, and reapply caulk if necessary. Regularly clean your siding and inspect after hailstorms or harsh winters to maintain your home exterior’s protection and appearance.

Helpful?

The Thornton, CO homeowners’ guide to siding services

From average costs to expert advice, get all the answers you need to get your job done.