chimney and pipe flashing

Justin Leavitt
5/4/2009
I am putting a metal roof onto a small cottage by the lake. It is 4/12 pitch and needs new sheathing and all. My question is in regards to the flashing of the chimney. The chimney sits on the edge of a valley. I have a lot of experience doing comp roofing but metal is a new thing. How do I flash in the chimney with the valley so close? Is the counterflashing for a chimney? Oh and the chimney is brick. Also, How do you install a pipe flashing?? Thanks for your time.
Todd Miller
Classic Products, Inc.
5/6/2009
Flashing methods will be based upon the exact profile of metal roofing being installed. You must obtain instructions from the manufacturer. Generally most manufacturers will suggest making a 1/2" deep sawcut into the chimney about 5 - 6" above and parallele to the roof deck on all sides so that the flashing can be inserted into that. Pipe flashings -- most manufacturers will suggest or even provide a particuloar style of boot for this, such as DekTite for many vertical seam panels or Oatey for some of the modular panels.
Guest User
5/14/2009
thanks todd we all know how to cut into the brick. I think its the under over detail he is looking for in the flashing department
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