Why Is Water Ponding on My Flat Roof After It Rains?

If you’ve noticed standing water on your flat roof after a rainstorm, you’re not alone — many homeowners in Chicago face this issue. Ponding water occurs when rainwater doesn’t properly drain off the roof, often due to low spots, clogged drains, or improper roof slope. While a little water here and there may seem harmless, prolonged ponding can lead to roof membrane deterioration, leaks, and structural damage over time.

At Anchor Point Roofing, we help Chicago homeowners address ponding water issues through effective roof repair or roof replacement solutions. One common method to prevent ponding is installing tapered insulation to create a slope toward a sump or lowering the scupper, which helps divert water efficiently off the roof. This not only protects your home but also extends the lifespan of your roofing system.

Whether your roof needs minor repairs or a full replacement, it’s important to act promptly when ponding water is present. Our team at Anchor Point Roofing can assess your roof, recommend the best solution, and ensure your Chicago home stays dry and protected.

To learn more details about how to sump a scupper, watch our YouTube video here: https://youtu.be/CIeIvibfVho?si=hC1ViN6dSSjt0eV4

Location: Chicago, IL