How to Repair a Leaking Commercial Metal Roof

The majority of leaks occur at the ridge. It is in terrible shape. All the ridge needs to be sealed with Aldo 385.

Video roof inspection.

All of these penetrations are vulnerable to leaks I need to be sealed. They need a heavy sealant and fabric the most locations to prevent them from leaking and having problems.

All of these penetrations need to be covered with Aldo.  This includes but is not limited to any pipe boots curbs any exhaust on this roof need to be sealed up the roofline.

When there are gaps or laps in the metal it is best to use a combination of commercial Roof fabric and coding.

The screw is in free failure and will need to be coated.  Overall condition is poor but it could possibly prevent leaks as it sits but to be safe we need to coat the screw.

This roof screw is in pretty good shape and may not need to be coated.

The screws have been coated and it is in bad shape and will need to be re-coated to prevent it from leaking.

These laps need to be coated with Aldo, and they will also need to be scraped and cleaned as necessary to prepare the substrate.