Roofing Guide · Updated November 2026
Flat and low-slope roofs are everywhere in Montgomery County: over porches, kitchen additions, garages and the back sections of twins. They leak differently from sloped roofs, and they need different repairs.
Call (610) 831-3192A puncture, a bad seam or failed flashing can usually be repaired. If the membrane is brittle, blistered across the roof or leaking in several places, or the insulation underneath is soaked, replacement is the better value.
EPDM (rubber) is durable and common on residential additions. TPO is a heat-welded white membrane that reflects summer heat. Modified bitumen is common on porches and older flat roofs. Each needs a contractor who installs it regularly.
Keep drains and scuppers clear of leaves before freezing weather, and don't let heavy snow sit on a flat roof that already ponds water. Avoid shoveling down to the membrane, which can puncture it.
Usually a seam or flashing that only lets water in when it ponds or wind drives rain sideways. A roofer can find it with a close inspection or water test.
No. Shingles need a minimum slope. Flat and very low-slope roofs need a membrane system.
It depends on the membrane, installation and drainage. Good drainage and regular inspections add years.
Free inspection and written quote from a local Montgomery County roofer. Emergency tarping and leak calls answered 7 days a week.