Should bath exhaust fan be vented to roof RIDGE VENT through attic?
irisroom
4 years ago
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Comments (11)
functionthenlook
4 years agoRelated Discussions
Should I vent bath fan through roof, or soffit?
Comments (25)So I'm replacing my un-insulated vent tubing with insulated because i live in wisconsin and it condenses and drips through ceiling, comes out in low areas at seems of tubing because it goes across attic a distance of 15 - 18 feet on a curve with multiple low spots. I present have a sled under the seem to collect water from last winter tabokkal ! Choice is go up to roof 5-6 feet or out the present vent 15-18 feet with insulated pipe Or shorten the line by going straight to side of home but this requires going up high with latter to drill a new vent hole, as tight quarters in attic prevent drilling from attic. Going to the soffet is 12 feet. I was considering soffet only because I was fearful of too much slow covering my vent. Do I have a legitimate concern as sometimes roof is covered with 10 to 12 inches? My pitch is lower 12-18 I think thats right. Is there a certain vent style or type recommendation? Is there a height that is recommended for safety and efficiency with going up to roof? Thanks for any advice I'll wait patiently...See Moresoffit and ridge vents and/or/with attic fan?
Comments (16)I lived in my house for 20 yrs before I got an ice dam problem, and it was a big one. It was easy to understand. It was due to a particular set of weather conditions: a foot of snow on the roof, some melting, enough to fill the gutters with ice and onto the roof, and then a rain. My solution was to install anti-ice dam sheeting. I was due for re-shingling the roof, so I had the roofers to install an anti-ice dam sheet and there had been no problem since. The discussion below assumes there is already ONE layer of shingles on the roof. The anti-ice dam sheet is a waterproof, elastomer sheet that must be applied on the bare roof boards along the lower edge. It may be from 3 ft to 6 ft wide, the wider, the better. Any existing shingles must be removed, but only need to be removed where the sheet will be. The old shingles can be then re-installed over the sheet. The sheet is held in place with adhesive and will seal around nails driven through it. And then, the new, second layer of shingles can be applied over the entire roof. If the old shingles were not re-installed, then new shingles must be put in their place to avoid an unsightly ridge on the roof were the roofing changes from 2 layers of shingles to 1 layer. This ridge should be avoided since the top layer of shingles may tend to crack and/or break along this transition line. When finished, there should be two layers of shingles everywhere. An alternative is to remove all of the old shingles and discard. Ridge vent versus roof vents: When my house was built in the 1970s, the builders in my area were using soffett vents and roof vents. Recently in my neighborhod, I have noticed that roofers have been installing ridge vents when repairing old houses that did not have much in the way of roof vents. Ridge vents seem to more popular at present. A hail storm came through 2 years ago and many roofs were re-shingled (by the insurance companies), so I got to watch several repair jobs recently....See MoreVent bathroom fans through roof or gable wall?
Comments (10)JDS and Joe don't laugh at my lack of knowledge but explain something to me. We have wooden hexagon shaped attic vents in three gable ends. See link below - mine are similar to this. I need to remodel a bathroom and install an exhaust fan. Can we run the duct work to the exhaust fan out the hex attic vent? I would use the one closest to the bathroom of course. If so, how does the duct attach to the attic vent? I am assuming there are some type of clips or fasteners or thing-a-ma-jiggies that does that. DH and I DO NOT want to go through the roof, but would if absolutely necessary. I had always assumed we would need to go through the roof so this discussion may help solve our problem. Joe don't you dare get sarcastic - just tell me if I am on the right track. I would hire you to do this if you were in Kentucky :). And I wouldn't get three quotes. Hex wooden attic vent...See Morebath exhaust fan / venting out soffit or roof?
Comments (3)Fortunately the fan is pretty close to the wall (8' run maximum?). Wall vent is possible although we are a little concerned what it would look like (unexpected to see a wall vent?) Wall is also a concern as the ceiling is cathedral and the steam, etc. is going to want to naturally travel up (away from vent). It would be alcove shower (3x6') with fan outside of the alcove (if ceiling mounted). Alcove does not abut outside wall. I'm not sure about ducting bending the 90 degrees as the duct would puncture the end of roof framing and the top of wall framing (the horizontal pieces). The exterior wall is shorter than average 77" and I am suspecting part of the reason a soffit vent may no longer be allowed for us is the space is very tight, if that makes sense. Duct looks to be around 4" diameter and wall top and end of roof frame is 2x4 (not 6", 40+ year old house). i agree side venting is preferable to going out the roof and having to deal with snow and ice....See MoreSammy
4 years agolast modified: 4 years agoElmer J Fudd
4 years agomtvhike
4 years agoirisroom
4 years agoElmer J Fudd
4 years agolast modified: 4 years agoMillie M
3 years agoCima Locert
3 years agolast modified: 3 years agoweedmeister
3 years agoMillie M
3 years agolast modified: 3 years ago
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