Northstar Roofing & Gutters | Roofing Services in Denver, CO 80229

Granule loss is often caused by hail impacts, thermal cycling from our hot summers and cold winters, and the aging of asphalt shingles. Those granules protect the shingle from UV rays, so losing them accelerates wear and can lead to leaks. As a local roofer, we see this frequently after Denver's severe weather events and can assess if a repair or replacement is needed to maintain your home's protection.

Flashing lift typically occurs due to improper installation, thermal expansion and contraction, or high winds common in the Denver area. When the metal flashing around chimneys, vents, or skylights lifts, it creates a direct path for water and melting snow to seep into your home, potentially causing interior water damage and mold. Our expert technicians reseal or replace compromised flashing to restore a watertight seal.

Keep an eye out for granules accumulating in your gutters or downspouts, which signals shingle wear. For flashing issues, look for visible gaps or rust around roof penetrations, or check your attic for water stains or daylight peeking through after a storm. Given our climate, we recommend a professional roof inspection at least once a year, especially after hail season, to catch and fix these local issues early.