330 N. LincolnLoveland, CO 80537

Phone: 970-669-6999

Roof Maintenance


A.J. Shirk Roofing – Your Partner in Protection Since 1903

Welcome to A.J. Shirk Roofing, where enduring craftsmanship meets quality roofing solutions. As a beacon of trust in Loveland, CO, we stand tall as your premier choice for residential and commercial roofing needs. With a legacy dating back over a century, we have built our reputation on reliability, dedication, and a relentless pursuit of perfection.

Our distinction as a locally owned and operated entity, fully licensed and insured, is evident in our A+ rating with the BBB and our active memberships in the Loveland Chamber of Commerce, The Colorado Roofers Association, and National Roofing Contractors Association. We wear our accolade as “BEST ROOFER” from the Best of Loveland Magazine 2018 as a badge of honor, echoing the voices of our long list of satisfied customers.


At the heart of Northern Colorado, we offer:

  • Roof Repair & Installation: Crafting shelter and safety overhead.
  • Residential & Commercial Expertise: Building with integrity and precision.
  • Storm Damage Response: Restoring calm after the storm.
  • Maintenance Programs: Preserving the life of your roof.
  • Waterproofing Solutions: Ensuring a dry and secure environment.
  • Gutter Services: Channeling quality with every drop.
  • Emergency Services: Immediate help when you need it most.

Locally Owned & Operated

We are the local company with a global standard. From meticulous repairs to transformative replacements, our services are comprehensive. Our preventative maintenance programs are your roof’s best friend, designed to detect and deter potential issues. With AJ Shirk Roofing, you invest in more than just a roofing service—you secure peace of mind.


Deep Community Roots

We’re not just contractors; we’re your neighbors.

Transparent Pricing

Value-driven and fair, with financing options available.

Unmatched Quality

A tradition of excellence that speaks through our work.

Guaranteed Satisfaction

Your happiness, our promise—100% guaranteed.

About A.J. Shirk Roofing

Owned by Anthony Ostblom, a Northern Colorado native and US Army veteran, our company brings 33 years of expertise straight to your doorstep. Anthony’s hands-on experience as a roofer and estimator ensures that every project is a testament to our unwavering commitment to quality.