Weatherhead Flashing

boman47k

How do guys handle replacing the flashing at the base of the weatherhead? I have been around several roofing jobs and have seen vent flashing replaced, no problem, but I have never seen weatherhead flashing replaced. Are there two piece flashings out there?

reveivl

Yes, my roofing supplier carries them, yours probably does too.

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boman47k

Thanks for the response. I thought my bro-in-law roof contractor told that was the case. On the roofing jobs I have been on, they may have replaced a few and I just did not notice. I would say most of the time they do not though. As for myself, I do not like to play around the weatherheads much! I've only done one complete roof ( my son's ), and I was very leery of just replacing the shingles around it after reading about some electrical fatalities online.

Ed the Roofer

Maybe its different terminology, but I am not familiar with the term "WeatherHead" flashing. Could someone enlighten me? What or where is a "WeatherHead" installed and for what reason? Are you just speaking of a weathered flashing, ie one that has seen better days and needs replacement? Not trying to be picky on semantics, just want to know.

Ed

mdshunk

Service mast flashing. The fitting on the top of the service mast is called the 'weatherhead'

Ed the Roofer

28 years and still learning new terms. What is a service mast?

reveivl

"What is a service mast?"

Wood post or steel pipe (or both) where the electric service lines come into the house.

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Ed the Roofer

Heck, I've been dealing with the electrical service bracket for years and didn't know the name for it. I just called it the power line post and bracket.

I have found 3 good ways of creating my own flashing for the goose neck pipe where the electrical service runs in.

1) Use a prefabricated single ply membrane boot flashing from a company like Duro-Last if available and hot air weld it to custom fit.

2) Use a piece of Grace Ice and Water Shield to completely encapsulate the base of the pipe up to about 3-4 inches. Then completely caulk it over to prohibit UV degradation. Be neat, then spray paint it to match either the pipe or the roof shingle color.

3) 4" X 4" wood post. Use 4 individual small pieces of sheet lead and make your own 4 sides of curb flashings for the post.

Thanks for the explanation.

Ed

Wantasub1

Check out the new slide on from the side galvanized flashing that can be installed easily around any weatherhead.

spinflashing dot com

It's easy and works great. Slide it on - Spin it closed!

neolitic

Cool, and all of the time I've spent making them out of sheet lead!

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