Western States Contractors

A Reputation For Excellence
Western States Contractors is Colorado’s certified, recommended installer for the Western Colloid Monolithic Reinforced Membrane Roof Systems. Our roof system has a track record of 50 years and has been placed on tens of thousands of buildings.
With the latest and most advanced installation equipment along with some of the best, most experienced installation crews in the country. Western States Contractors has earned a 100% approval rating from our client portfolio. Our goal is to maintain the same 100% positive outcome from each and every customer. Together with Western Colloid as our partner, we can offer every customer the only 100% No Leak Guarantee with a No Dollar Limit (materials and labor) lifetime renewable and transferable warranty that includes a 2” hail rider.
Our company lives by these three motivations.
CUSTOMER FOCUSED
We acknowledge that our customers are the reason for our success, so our efforts are focused on their needs.
We fulfill those needs by providing the best roof, at the best price, with absolutely the best warranty in the
business.
SOLUTIONS DRIVEN
We are dedicated to and driven to go the extra mile, to ensure we achieve our customers goals and objectives
through providing the right solution and through deliberate hard work and a results driven work ethic.
NOBLE INTENT
We are a company with noble intent, it may sound inapposite today, but our aspiration is to win every job through innovation, hard work, honorable discourse, and humility.
These three motivations are obviously made easier when our roof systems are unequalled, our experience is
unmatched, and our roof warranty is incomparable.
Why Choose Us?
- We boast over 20 years of experience in providing high-end roofing solutions
- We’re an eco-friendly business, focusing on sustainable & renewable roofing
- Our services cater to and cover all of Colorado and surrounding states
- We offer a 100% no leak guaranteed with a lifetime craftsmanship warranty
- We provide lifetime renewable warranties
- We are the most cost-effective membrane roof system in the industry
- We are the only commercial roofing contractor in Colorado that exclusively installs economically viable, sustainable, and renewable roof systems

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How Can We Help?
Featured Facilities
Harkins Theater – Northfield Blvd, Denver, CO
Boeing Facility – Long Beach, CA (Over 1,000,000 sq ft)
Seagate Manufacturing Facility – Fremont, CA
Vons Markets – California, Over (150 Markets)
Safeway – Denver, CO | Wyoming
Frito-Lay – Plano, TX
Paramount Studios – Los Angeles, CA.
1901 Avenue of the Stars – Los Angeles, CA.
Home Depot Stores – Various stores throughout the western U.S.
Lockheed Martin / Missiles & Space – Sunnyvale, CA (2,000,000 sq ft)
The Madison Exchange – Denver, CO
Federal Building – Albuquerque, NM
Fleischmann Planetarium – University of Nevada, Reno, Nevada
Army Supply – Dallas, TX
Trammell Crow Properties – Properties in California, Nevada, Oregon and Washington – Over 5,000,000 sq ft
MLFurs & Luxury Skiware – Denver, CO
Randall Farms – Distribution Facility, Commerce, CA. Original gravel roof installed in 1959. Western Colloid’s Fluid Applied Reinforced Roof installed over original roof in 1977. Resurfaced and re-warrantied in 1999 and 2009. 180,000 sq ft
Plus, more than 10,000+ additional buildings throughout the U.S.
Serving all of Colorado and
surrounding states.