sepefrio Posted June 26, 2008 Report Share Posted June 26, 2008 You can see the rust line along the aluminum siding. Do you think it is from the gutter above it over flowing/leaking or from the flue condensation? To make sure I'm clear, I mean when the fireplace is lit, the flue obviously gets warm and I'm thinking the warm inside/cold outside would create condensation. BTW, it's surface rust (but does not penetrate) and not a rust stain. Image Insert: 382.86 KB Quote Link to comment Share on other sites More sharing options...
hausdok Posted June 26, 2008 Report Share Posted June 26, 2008 There probably aren't any kickouts at the sides of that chimney chase and runoff is shooting off the roof, misses the ends of the gutter, and runs down the side of the chase. ONE TEAM - ONE FIGHT!!! Mike Quote Link to comment Share on other sites More sharing options...
Bill Kibbel Posted June 26, 2008 Report Share Posted June 26, 2008 The step flashings probably don't deliver to daylight, but the rust is from this: Quote Link to comment Share on other sites More sharing options...
sepefrio Posted June 26, 2008 Author Report Share Posted June 26, 2008 Originally posted by hausdok There probably aren't any kickouts at the sides of that chimney chase and runoff is shooting off the roof, misses the ends of the gutter, and runs down the side of the chase. ONE TEAM - ONE FIGHT!!! Mike That actually makes sense, and since I couldn't get on the roof I didn't even think about it. Quote Link to comment Share on other sites More sharing options...
Neal Lewis Posted June 26, 2008 Report Share Posted June 26, 2008 Rusty A/C condensate in gutter leaking at the endcap? Quote Link to comment Share on other sites More sharing options...
sepefrio Posted June 26, 2008 Author Report Share Posted June 26, 2008 Originally posted by Neal Lewis Rusty A/C condensate in gutter leaking at the endcap? LOL the AC drain is a separate issue Image Insert: 677.38 KB Went through my pictures again, and it's a bit, well, bright white, but you can see the gutter end cap and chimney and the separation between the two. Image Insert: 238.31 KB BTW, lets make this an education issue too. My guess at the condensation, how plausible is that? I don't think it can be proved except under actual conditions (in the winter with a fire going). Quote Link to comment Share on other sites More sharing options...
Brandon Whitmore Posted June 26, 2008 Report Share Posted June 26, 2008 My guess was the same as Mike's until I noticed the stain did not start near where the kick out flashing would be missing. The stain looks like a rust color as well. I would go along with the chimney flashing/ cap rusting along with missing kick out flashing. I've never seen condensation form on the wood chase walls, but I guess it's possible in some climates. Quote Link to comment Share on other sites More sharing options...
hausdok Posted June 26, 2008 Report Share Posted June 26, 2008 Originally posted by sepefrio BTW, lets make this an education issue too. My guess at the condensation, how plausible is that? I don't think it can be proved except under actual conditions (in the winter with a fire going). Implausible - I've never seen it. If any condensation is going to occur in a chase, it's going to occur inside and you'll never know about it until the frame is rotting and crawling with bugs or the top of the zero-clearance fireplace rusts through. It's not going to show up on the outside like that. That's dirt or rust that's either bypassed the end of that gutter or has overflowed onto the siding. ONE TEAM - ONE FIGHT!!! Mike Quote Link to comment Share on other sites More sharing options...
sepefrio Posted June 26, 2008 Author Report Share Posted June 26, 2008 Thanks guys Quote Link to comment Share on other sites More sharing options...
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