Meet Our Team

Jacob Hartung, Owner

Jacob Hartung is a Colorado native with extensive experience in the construction and restoration industry. In 2017, he fulfilled his career-long dream of branching off on his own to help home owners with their restoration needs while putting an emphasis on customer satisfaction. His construction background includes everything from commercial builds and residential remodels to minor repairs and real estate appraising. When he’s not inspecting roofs or overseeing jobs, he can be found enjoying golfing, skiing or fishing and spending time with his wife, daughters and dog.

Zach Bignell, Senior Project Manager

Zach Bignell joined J. Warren Exteriors as a Senior Project Manager in late 2019.  Born and raised in Morrison, Zach has been around the construction industry in some aspect his whole life learning directly from his father, who was a builder for over 40 years in the Greater Denver area.  He brings extensive knowledge of the roofing industry focusing on luxury roofing types and emphasizes customer satisfaction with high integrity.  

After pursuing his Masters degree from Colorado State University in Business Development and Human Resources, Zach saw growth potential within the restoration industry specifically in the Denver marketplace.  This amplified his passion to learn the roofing trade and focus on best practices and products to bring each homeowner a unique experience.  

Teamed with Jacob Hartung, Owner of J. Warren Exteriors, their experience complements one another renewing the customer relationship to develop the storm restoration process.  When not in the field, Zach is also an avid golfer, skier, Broncos fan and sports enthusiast.  He can be found enjoying travel time away with his wife, daughter, and puppy.

Trusted Partners

J. Warren Exteriors is proud to work with a number of respected manufacturers to give you the best quality and value for your money.

Schedule Your Free Inspection

We offer free inspections and estimates for homeowners. Fees may apply for real estate agents and firms.