This is a Leaking Commercial metal roof; leaks come in from several places on this Roof. They are coming in at the ridge quite a bit because there is panel overlap. If they are coming in at the left and suitable lapse of metal panel, and they’re also coming in through about 1/3 to half of the screws that need a silicone sealant or polyurethane sealant put over the top to protect the screws from leaks. All penetrations on this Roof will need to be sealed as well. This is very important to keep this Roof from leaking because commercial roosts are much more vulnerable to leaks than residential roofs, so we will have to ensure that this Roof is protected. Also, there is some rust on the panels. It will make a lot of sense to continue to monitor this Roof with service agreements.
Coating a commercial metal roof: screws, horizontal laps, penetrations
- 1How to coat screws on a metal roof
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.
Go To Pin - 2Portions of this roof have coding previously
These laps need to be coated with Aldo, and they will also need to be scraped and cleaned as necessary to prepare the substrate.
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Roof leaks at panel overlap in metal roof
- 1Using fabric at ridge caps plus sealant
When there are gaps or laps in the metal it is best to use a combination of commercial Roof fabric and coding.
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Commercial roof leaks through penetrations of the roof
Table of contents
- All of these penetrations are vulnerable to leak I need to be sealed
- All of these penetrations need to be covered with Aldo
- 1All of these penetrations are vulnerable to leak I need to be sealed
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.
Go To Pin - 2All of these penetrations need to be covered with Aldo
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.
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Roof Leaks at Ridge Metal
- 1Majority of leaks occurring at the ridge
The majority of leaks occur at the ridge. It is in terrible shape. All the ridge needs to be sealed with Aldo 385.
Go To Pin - 2Video roof inspection
Video roof inspection.
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