Drennen Custom Contracting

Drennen Custom Contracting is your local source for roofing, radon testing, and radon mitigation in Fort Collins and Northern Colorado. Serving our community since 1973, we help homeowners, buyers, sellers, and property managers make informed decisions about their properties.

Explore roofing tips, project walkthroughs, and practical guidance on roof replacement, roof repair, storm damage, Class 4 impact-resistant shingles, metal roofing, and attic ventilation. Learn about radon testing, mitigation systems, crawl-space solutions, and maintaining an existing radon system.

Our channel brings a building-wide perspective to protecting your property—from the roof above to the ground below.

Serving Fort Collins, Loveland, Windsor, Timnath, Wellington, Greeley, Longmont, and surrounding Northern Colorado communities.

Subscribe for local projects, expert insights, and answers to common roofing and radon questions.

Visit https://drennencc.com
Call 970-482-9100