Drainage problems amplify small defects
Blocked drains, poor slope, settled insulation, clogged gutters, and undersized or damaged outlets increase ponding time and stress seams, flashings, and repairs.
Penetrations change over the life of the building
HVAC replacements, pipes, conduits, supports, solar, signage, and telecom work can add or modify roof penetrations. Each change should be flashed correctly and documented.
Traffic and repeated patching reveal patterns
Unprotected service paths, dropped tools, grease, sharp equipment, and repeated temporary patches can create localized failure zones that deserve a coordinated maintenance response.
Practical owner checklist
- Map drainage paths and ponding locations.
- Inventory new or changed penetrations.
- Identify recurring service traffic routes.
- Track repeat repair locations as patterns, not isolated events.
Frequently asked questions
Why do leaks keep returning around equipment?
Movement, vibration, service traffic, curb details, penetrations, and repeated contractor work can all contribute.
Should walk pads be added everywhere?
No. They should be placed where recurring service traffic justifies protection and where the roof manufacturer allows them.