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Flashing Rusting

Steel metal flashings exposed to the elements can rust over time. Today’s flashings are made of galvanized metal, a process that protects the steel core from rusting. I have found rusted flashings on this Captiva Island roof. Rust cannot be simply sealed over, as it will continue to grow. The rust needs to be cut […]

No Sealant at Flashings

Although flashings bridge transitions in the roof, when not sealed properly they are ineffective. Flashing are designed to turn corners and breaks in a roof, which tend to have more movement than other areas. If not sealed properly, these flashings do little to stop water from entering the roof system. This is allowing water to […]

Valley Metal Buckling

Valley metal is installed by crimping the valley center, fastening the entire length of both edges and then applying mastic to cover the valley metal edge and fasteners. When valley metal is not properly pressed, fastened and/or sealed it causes buckling and waving. Since a valley is designed to channel water between two pitch areas […]

Gable End Flashing Not Correct

Gable ends are where a valley terminates into a roof’s surface, rather than running the entire length to the roof’s edge. They are quite common and add to the roof’s design. However, if not correctly detailed with flashings and sealants, the gable end is an area of concern. With the valley channeling large amounts of […]

Boot Lapped / Sealed Correctly

As with all roof-top objects it is important that proper water flow and installation are considered. Flashing that is not layered correctly and sealant applied in the right junction areas allow water seepage. The boot flange was not installed correctly with the proper overlap procedure on this Sanibel Island roof. Sealant has done a good […]

Vent Not Lapped / Sealed Correctly

As with all roof-top objects it is important that proper water flow and installation are considered. Flashing that is not layered correctly and sealant applied in the right junction areas allow water seepage. The vent flange on this Fort Myers Beach roof was not installed correctly with the proper overlap procedure. Sealant has done a […]

Plastic Boots Used

As you know, plastic typically dries out rather quickly in our environment. The sun’s UV rays cause oil migration much the same as it does to exposed asphalt. In this case a plastic stack flashing was used to seal the pipe. A gap between the pipe and surrounding flashing is visible and allowing seepage. The […]

Ell Flashing Not Sealed Properly

Ell flashing bridges the transition from the roof’s surface and a wall or upright surface such as a curb. The ell flashing has not been sealed properly and the shingles are pealing back from the flashing allowing seepage. This can be correctly by removing the area and installing mastic sealant correctly. New membrane may need […]

Ell Flashing Uplifting

Ell flashing should be nailed every six inches on center. On a Bonita Sprints roof I found the ell flashing uplifted. Not enough fasteners were used and the sealant has deteriorated. We suggest sealing the underside of the ell flashing and installing the correct number of fasteners as specified by code. Another layer of membrane […]

Ell Flashing Behind Wall Surface

Ell flashing is designed to bridge the roof to wall transition and allow for protection against water intrusion. Water which runs down the roof and wall is caught by the ell flashing and channeled to the roof’s edge. It is important that the ell flashing’s end be flared so it sticks out past the siding/stucco. […]

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