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Missing flashing at electrical mast


Chris Bernhardt
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Originally posted by Chris Bernhardt

Are there any flashing methods or products that can be used without having the electrical service disconnected to have a pipe jack installed?

What do you recommend when you find this condition?

Chris, Oregon

If I'm doing the roofing job:

* Buy two Oatey No Calk roof flashings.

* Slit the first one from the top of the hole to the top of the flashing.

* Slip it around the mast from the downhill side of the roof.

* Slit the second one from the bottom of the hole to the bottom of the flashing.

* Slip it around the mast from the uphill side of the roof.

* Stich the exposed portion of the seam together with metal roofing screws (the kind with built in cup washers and neoprene rings).

If I'm writing a report:

"Install proper flashing at the electrical mast where it goes through the roof."

- Jim Katen, Oregon

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Originally posted by Eric B

Pipe jack? Not a term I've heard before.

A pipe jack is the pre-manufactured flashing that fits around a plumbing vent pipe. It consists of a metal base flashing and a neoprene neck.

It might be a regional term, but every roofer handyman and dogwalker around here knows what it means.

We also have vent jacks.

- Jim Katen, Oregon

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  • 7 months later...

Relacing an electric service mast flashings is an easy job. Just cut off the old flashing and install a Retro-Spin Flashing.

Slide it on and spin it closed, then nail tight. Easy job!

Then use a Retro-Split EPDM storm collar that matches the size of the galvanized mast pipe as a counter flashing.

Take a look at this web address: www.spinflashing.com

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Originally posted by Wantasub1

Relacing an electric service mast flashings is an easy job. Just cut off the old flashing and install a Retro-Spin Flashing.

Slide it on and spin it closed, then nail tight. Easy job!

Then use a Retro-Split EPDM storm collar that matches the size of the galvanized mast pipe as a counter flashing.

Take a look at this web address: www.spinflashing.com

Now those are cool.[:-thumbu]

Tom

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