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NotARoofer 11-13-2012 01:23 PM

Just another leak
2 Attachment(s)
On very windy, rainy days my steel pipe chimney will leak onto the wood stove. From the picture, it leaks right where the pipe first bends. There will be water on the outside of the pipe. The water on the stove will be very rusty.

I've had two professional roofers look at it. One had me move the "flange" down. The other had me put some tar caulking around it and put duct tape over some vents under the flange.

It still leaks!

joecaption 11-13-2012 01:28 PM

Tape on the low side of the roof should have been under the flange not on top of it.
I'd be worryed about all those holes in the roof where those brackets are screwed to the roof.

What's up with the seailing around the gray pipe in the back ground?
Looks like there's no roof jack at the bottom and there's some sort of ring sitting way up off the roof.

Grumpy 11-15-2012 08:26 AM

THose angle brackets really should have a pitch pan on each.

"Tar" caulking on an EPDM roof? You just caused major chemical damage to the epdm membrane. A "professional" roofer suggested caulk as a long term solution? A "professional" roofer suggester tar on EPDM? A "professional" roofer suggested duct tape? These guys are Not professionals, IMO.

Slide up the rain collar, field flash the entire cone base flashing, terminate with a hose clamp on the pipe. Slide the collar back down, seal the collar with polyurethane sealant, such as Solar Seal or equivalent.

Really I don't like that cone base flashing. Something like or is the proper flashing technique. In some situations we will also install a pitch pan like:

Grumpy 11-15-2012 08:30 AM


Originally Posted by joecaption (Post 1051355)
Looks like there's no roof jack at the bottom and there's some sort of ring sitting way up off the roof.

The rusty old rain collar would be acceptable, assuming there is a proper base flashing which really is a base angle.

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