About USA.J. Shirk has been locally owned and operated since 1903. Owner, Anthony Ostblom, was raised in Northern Colorado and after serving in the US Army, got a job with a local roofer, and became passionate about roofing. Today he has 33 years of experience as a roofer and estimator. Anthony’s knowledge and commitment to quality work have steered A.J. Shirk to a long standing reputation throughout Northern Colorado as a local leader in the roofing industry.SERVICES RESIDENTIAL, COMMERCIAL, STORM DAMAGETESTIMONIALS "Thanks for your good job on the roof in Eaton. I really appreciate your help on the decking item. Good luck & thanks again for your help!" — David - Windsor, CO"Just want to thank you for the great job you did on re-roofing our garage. Also, we appreciate your prompt service and rescheduling you did for us. It is very much appreciated" - Doug & Judy - Campion, CO

About USA.J. Shirk has been locally owned and operated since 1903. Owner, Anthony Ostblom, was raised in Northern Colorado and after serving in the US Army, got

AJ Shirk Roofing LLC