Colorado roofs take a beating. Between Class 3 and 4 hailstorms every spring, 100+ mph Front Range wind events, intense high-altitude UV, and freeze-thaw cycles all winter, the average Longmont asphalt shingle roof lasts 15–25 years — significantly less than the national average. Here are the five signs your roof is telling you it’s done.
1. Shingles Are Curling, Buckling, or Missing Granules
Run your hand across a shingle (carefully, from the ground using binoculars if needed). If shingles are curling at the edges, buckling in the middle, or feel smooth instead of rough like sandpaper, they’ve lost their granule coating. Granules protect shingles from UV degradation — without them, the asphalt dries out, cracks, and fails rapidly. You’ll also see granules washing into your gutters and downspouts. Once granule loss is widespread, replacement is the only real fix.
2. Your Roof Is 20+ Years Old
In Colorado’s climate, a standard 3-tab asphalt shingle roof installed in the late 1990s or early 2000s is at or past end of life. Architectural shingles last a bit longer — typically 20–30 years — but Colorado’s hail history dramatically shortens that lifespan. If you’ve had two or more major hail events and your roof is over 15 years old, a professional inspection is overdue. Josh Brooks Construction offers free same-day roof inspections throughout Longmont and Boulder County — call 720-828-7997.
3. You See Daylight in Your Attic
Grab a flashlight and check your attic during daylight hours. If you can see pinpoints of light coming through the roof decking, you have gaps — and if light gets in, so does water. Also look for water staining on the attic floor boards, which indicates an active or recent leak. By the time you see interior water staining on your ceilings, the damage has typically been spreading for months.
4. Your Energy Bills Have Been Creeping Up
A failing roof often means a compromised insulation system. When shingles crack, water infiltrates the decking and eventually the insulation beneath — soaked insulation loses its R-value dramatically. If your heating and cooling bills have increased 15–25% without any lifestyle changes, your roof may be the culprit.
5. You Have Moss, Algae, or Dark Streaks
Dark streaks on a Colorado roof are usually algae — specifically Gloeocapsa magma, a type of cyanobacteria that feeds on limestone filler in asphalt shingles. Moss is even more destructive, holding moisture against shingles and accelerating deterioration. Both are warning signs of an aging roof that’s nearing the end of its effective life.
What Happens If You Wait?
A $9,000–$14,000 roof replacement today becomes a $20,000–$40,000 project when water infiltration damages the decking, insulation, drywall, and interior finishes. And if you’ve had a hail event in the last two years, your insurance may cover the full replacement cost. Colorado’s statute of limitations on hail claims is two years from the storm date — waiting until visible failure means your claim window may have already closed.
Free Roof Inspection in Longmont, CO
Josh Brooks Construction provides free same-day professional roof inspections throughout Longmont, Boulder, Fort Collins, Loveland, and all of Northern Colorado. We document every issue with photos, provide a written assessment, and help you navigate the insurance claim process if applicable.
→ See our full roofing services, pricing, and materials guide
Josh Brooks Construction & Renovation
2167 Frontier St, Longmont CO 80501
📞 720-828-7997 | Boulder County License CON-24-0152 | Veteran & Senior Discounts Available