Skip to main content

Old HVAC Line Portal Causing Flat Roof Damage in Chicago?

May 16, 2025

Old HVAC Line Portal Causing Flat Roof Damage in Chicago?

If you're noticing water leaks or signs of damage on your flat roof, the issue might be coming from an unexpected place—an old HVAC line portal. In many Chicago flat roofs, HVAC lines pass through rubber or plastic portals that can wear down over time. These aging portals often crack, shrink, or lose their seal, especially after years of harsh weather exposure. Once that seal is compromised, water can easily find its way in, causing damage to the roof membrane and the structure beneath.

At Anchor Point Roofing, we’ve seen this issue across countless flat roof systems in Chicago. The fix? Replacing the outdated or deteriorated rubber portal with a more durable solution: a metal pitch pan filled with pourable sealant. This creates a watertight barrier around the HVAC line, preventing future leaks and protecting the integrity of your flat roof.

If your roof is showing signs of moisture intrusion—especially around HVAC penetrations—don’t wait. We offer expert roof repair services in Chicago and can provide a detailed inspection to identify the root cause of the problem. Whether it's a small repair or part of a larger restoration plan, our team is ready to help.

Contact Anchor Point Roofing today to schedule an inspection and let us take care of your flat roof issues with lasting, professional solutions.

Location: Chicago, IL

Project Image Gallery

Let Us Help You Get Back On Your Rooftop. Contact Our Chicago Roofers Today!