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sfevans
Cricket for chimney needed, help with design
sfevans

We have a 70" wide chimney through the roof, the flashing edge to edge is 90". This house was built in 1988, the chimney is finished with stucco. We bought it a few years ago, since then a leak has occurred at the back side of the chimney. On inspection, it appears this may not be the first time. The flashing is lead, not one piece. There is no cricket, odd for a chimney that width from what I have read. The roof is 3-12 pitch, it has concrete tile, villa style. Insurance is not going to take care of the roof, it will fix interior, but I am on the hook for the roof. I need to know the procedure to measure for the cricket it needs. It would be cool to do in copper, but I am also unemployed, do to downturn in the industry that I am in, Oklahoma, guess which one, at least gasoline is cheap. lol Concrete tile is not very common here, hard to find resources for valley flashing, etc. The tile company for our tile is no longer in business although it appears that Boral Roofing Inc. is the successor to Monier out of CA. I uploaded a zip file, don't know whether it did though. Any advice is appreciated, and I must do this myself do to $ restraints.

It appears that I am not able to upload pics, probably to large of file size.

dj1
Re: Cricket for chimney needed, help with design
dj1

1. To upload photos, go to a host like photobucket and then list the link here.

2. Go to YouTube or Google "Chimney cricket" and you will find valuable information, photos, instructions on how to design, flash, frame and finish such a thing. IMHO, a chimney cricket doesn't have to have a matching roof, if you can't find extra tiles.

This job is 8 out of 10 in degree of difficulty. The trick is to have no leaks when the first storm comes.

Just be careful up there on the roof, and DON'T BREAK ANY TILES.

llmotoll
Re: Cricket for chimney needed, help with design
llmotoll

That is a wide chimney. Building / blending a new cricket into a tile roof is not so easy and it has stucco on the chimney to boot. ***, you certainly have your work cut out for you.

Totally agree on the YT recommendation. Be careful though, there is a lot of idiots out there.

Maybe call around and find a local contractor who would not mind offering up some helpful tips Pro-Bono.

You could lay over the cricket with a TPO or EPDM membrane in lieu of trying to go back with tile. This would certainly simplify assembly and provide you with some spare tiles for future repairs if needed.

If you do go with a membrane assembly over the cricket the slope of the cricket would not have to be greater than 1/4" per foot to function. This is assuming the wall flashing is a minimum of 8" tall.

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