Farmboy
Basic Member
Posts:356
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| 21 Dec 2008 11:51 PM |
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Would like to minimize roof penetrations by combining a plumbing vent and two direct vent fireplace stacks in a faux chimney on a gable wall. The plumbing vent would extend about 4 ft above the direct vent stacks.
Any thoughts or proven solutions appreciated. Looking for wind and water proofing ideas as well. Dave
Having trouble attaching a Word document showing elevation. |
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Farmboy
Basic Member
Posts:356
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Farmboy
Basic Member
Posts:356
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| 28 Dec 2008 01:18 AM |
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Idea would be to build the chimney in two stages. First the lower box with the Direct Vent stacks, then as upper box to reach full height with the enclosed plumbing vent. The chimney would be attached to a traditional wood gable truss with the roof only having an eave of 6 inches. |
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ReadyToRetire
Basic Member
Posts:212
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| 30 Dec 2008 03:58 PM |
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Farmboy,
Why give up the extra vertical by bringing the fire place vent out low?
Wouldn't reversing the two outlets give you a stronger draft?
Larry
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budden
New Member
Posts:40
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| 30 Dec 2008 07:26 PM |
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Dave,
Roger on the idea of minimizing penetrations. Check out products like http://www.studor.com as possibility of eliminating the need for plumbing stack at all.
But while you are at it, where do dryer vent and kitchen stove hood vent go? And if you're building a tight house (like ICF), you need a corresponding intake for both those (and the fireplace flue).
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MarkosWoodWorking
New Member
Posts:36
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| 30 Dec 2008 11:59 PM |
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Two years ago I framed and finished a 26 suite apartment building. Most suites ended up getting the Air Admittance Valves from Studor. Myself, the plumbers, and the owner of the building could not be happier with them. Great system. |
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| Matthew Sokalski<br>Markos WoodWorking,<br>Akasu Contracting and Consulting (Attr.) |
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Farmboy
Basic Member
Posts:356
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| 31 Dec 2008 12:47 AM |
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Since the fireplaces are direct vent and actually could be vented horizontally thru a wall, I thought the configuration shown would work. Also code requires the plumbing vent to be above the roof and a certain distance from the ridge. Larry, I do see your point about moving the fireplace vents up higher in the chimney.
I looked at the Studor site and see that as a viable option. They show various DWV layouts in their literature that would work for us. Appreciate the testimonial, Matt.
Dryer vent can go out a nearby exterior wall. The kitchen stove hood vent, ummm. Read on another thread that you could include an exhaust fan, not directly above the stove, but in the kitchen that could be tied to an ERV or HRV. Also could tie bathroom exhaust fans to the ERV. Come to think of it, the dryer exhaust could tie into the ERV. |
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ReadyToRetire
Basic Member
Posts:212
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| 31 Dec 2008 01:45 PM |
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My dryer exhaust has a fair amount of fine lint in it even after the dryer filter.
I'd think that it would total an HRV pretty quickly.
Larry
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want to build
New Member
Posts:92
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| 31 Dec 2008 02:43 PM |
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Also, while you might want to recover the heat from the dryer in the winter, it would be counterproductive in the summer when you would be looking to conserve cool indoor air, wouldn't it?
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