Mark P Posted June 29, 2012 Report Share Posted June 29, 2012 There were no signs of leaks and the house is 5 years old, but i'snt the top and sides of the flashing supposed to be under the shingles? The roof was too high and steep for me to get a close look. Click to Enlarge 44.84 KB Quote Link to comment Share on other sites More sharing options...
Steven Hockstein Posted June 29, 2012 Report Share Posted June 29, 2012 Yes. Caulk and roofing cement will most likely fail before the roof has to be replaced. I would recommend that it be corrected before it leaks. My guess is that the roof was already on the house when the owner opted to add a fireplace. I would be surprised if a roofer was anywhere near the house when the chimney was added. Quote Link to comment Share on other sites More sharing options...
Steven Hockstein Posted June 29, 2012 Report Share Posted June 29, 2012 Also- I suspect that the 2-10 foot rule has been violated as well. Quote Link to comment Share on other sites More sharing options...
Mark P Posted June 29, 2012 Author Report Share Posted June 29, 2012 Also- I suspect that the 2-10 foot rule has been violated as well. Oh Snap - thanks good catch. Quote Link to comment Share on other sites More sharing options...
Marc Posted June 29, 2012 Report Share Posted June 29, 2012 Also- I suspect that the 2-10 foot rule has been violated as well. 2-10? Isn't that rule just for masonry chimneys? Yeah. I generally cover the entire top-half of the flashing with shingles. Marc Quote Link to comment Share on other sites More sharing options...
John Kogel Posted June 29, 2012 Report Share Posted June 29, 2012 The rule is to prevent backdrafting, but for gas burners and B vent chimneys the rule is a bit different than for wood burning and masonry chimneys, I believe. I don't know, can somebody do the math? Are they adding the 2 feet here? Click to Enlarge 55.34?KB Actually, we don't need math. On a 12/12 pitched roof, the top of a 4 foot vent stack would only be 4 feet away from the roof. For a woodstove, it would need to be a 12 foot stack. Quote Link to comment Share on other sites More sharing options...
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