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Home > Archive > Building and Construction > April 2006 > Moving bathroom fan vent around outdoors?
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Moving bathroom fan vent around outdoors?
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| This can't be an unusual request. Just don't know what to use outdoors to
move around my bathroom fan vent.
I have a first floor bathroom fan with vent running 2' straight horizontally
where it terminates to the outside with a std. 4" plastic flapper through
concrete blocks. On the outside, a few inches up there is white aluminum
siding on the second floor extension. It has some vertical pattern to it.
There is 1-9/16" overhang of the siding - a 4" 90-degree sheet metal HVAC
elbow might fit right enough.
I have to reposition the vent because it currently points into the
neighbours A/C with 6' window ledge height! It is on the side of the house
in a walkway between houses, but it still has to be professional permanent,
safe. I have just realised this is very wrong!
It is outdoors, and I need to know what is available to do this w/r/t the
types of products: e.g. plastic, use 3", from plumbing dept., whatever, lid
from a skylight, use aluminum rivets and pipe, don't use aluminized tape,
etc. I need to know how to obtain all of the components. It can't drain into
the house. I'd need to know if it needs a good cap/roof, or orientation.
It could also go sideways too, but UP is definitely an obvious necessity.
Angled is very unlikely. It is 3-1/2' up to safely above the neighbours
eaves trough, but at that height it should go equally sideways, or just go
higher. It is actually only about 8-1/2' to the very underside of our second
floor roof overhang (about 16" overhang). I could go the entire 8' to keep
the opening safe from rain/snow. What top? No idea if there is a fan power
concern, or if this is even possible, inside pipe freezing, etc.
I have no problem with painting it: if it ain't right, it'll get WHITE,
anyway. Unless otherwise attractive.
Anything helps, Thanks
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| Nehmo Sergheyev 2006-04-19, 5:21 pm |
| bent wrote:
> I have to reposition the vent because it currently points into the
> neighbours A/C with 6' window ledge height! It is on the side of the house
> in a walkway between houses, but it still has to be professional permanent,
> safe. I have just realised this is very wrong!
Nehmo -
I'm not sure I understand your question, but I think you're asking what
material to use to extend and re-route a vent a few feet. It's just a
bathroom vent, so almost anything would work. Four inch stove pipe
would look fine. PVC or ABS would work too.
--
(||) Nehmo (||)
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| Verizon 2006-04-19, 7:21 pm |
| Consider installing a ceiling mount vent fan, and run the ducting to the
exterior with alum flex. This would place the termination approx 9-10 ft.
above ground level and make for an easy installation. Std flapper cap is all
else you would need. (BTW, your current installation is not a code
violation. In-fact, if you have a window in your bath, you could get by
without a bath vent fan.)
Dennis
"bent" <bent@rogers.com> wrote in message
news:1145464173_51103@sp6iad.superfeed.net...
> This can't be an unusual request. Just don't know what to use outdoors to
> move around my bathroom fan vent.
>
> I have a first floor bathroom fan with vent running 2' straight
> horizontally where it terminates to the outside with a std. 4" plastic
> flapper through concrete blocks. On the outside, a few inches up there is
> white aluminum siding on the second floor extension. It has some vertical
> pattern to it. There is 1-9/16" overhang of the siding - a 4" 90-degree
> sheet metal HVAC elbow might fit right enough.
>
> I have to reposition the vent because it currently points into the
> neighbours A/C with 6' window ledge height! It is on the side of the house
> in a walkway between houses, but it still has to be professional
> permanent, safe. I have just realised this is very wrong!
>
> It is outdoors, and I need to know what is available to do this w/r/t the
> types of products: e.g. plastic, use 3", from plumbing dept., whatever,
> lid from a skylight, use aluminum rivets and pipe, don't use aluminized
> tape, etc. I need to know how to obtain all of the components. It can't
> drain into the house. I'd need to know if it needs a good cap/roof, or
> orientation.
>
> It could also go sideways too, but UP is definitely an obvious necessity.
> Angled is very unlikely. It is 3-1/2' up to safely above the neighbours
> eaves trough, but at that height it should go equally sideways, or just go
> higher. It is actually only about 8-1/2' to the very underside of our
> second floor roof overhang (about 16" overhang). I could go the entire 8'
> to keep the opening safe from rain/snow. What top? No idea if there is a
> fan power concern, or if this is even possible, inside pipe freezing, etc.
>
> I have no problem with painting it: if it ain't right, it'll get WHITE,
> anyway. Unless otherwise attractive.
>
>
>
> Anything helps, Thanks
>
>
>
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| So, I could use any material? I have to clarify. There is already a pipe
to the outside, with a flapper right flat to the block. There is a fan
already. It is mounted in the ceiling. It has been a finished washroom for
years. I am talking about taking over where the pipe already goes outside,
placed horizontal. All this work/materials is outside. The extension away
from the current location is either straight up 4.5' or 8.5', either way,
leaving a pipe open to the elements pointing straight up. But a 4" pipe on
the outside of siding is going to be very obnoxious. Is there something
maybe shaped more like downspout, and how to install it?
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| is it even advisable to run a high moisture pipe around outdoors?
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| Verizon 2006-04-20, 9:21 pm |
| Any possibility to terminate the extension up inside the soffit?
Several considerations, first the longer the run, the more the back pressure
and the less air that can be moved. Second, moving moisture-laden air in an
external duct will cause condensation to form. Any low spots will ice up.
One possibility is to use std metal vent and box it in, sort of an
architectural 'feature'. Can't use std downspout as it would reduce the
airflow significantly (unless you used one with equiv cross section.
Material isn't critical so long as it can withstand the exposure (aluminum
or PVC is fine.) Still will need to terminate the vent horizontially with a
cap and damper (simular to a dryer cap.)
"bent" <bent@rogers.com> wrote in message
news:1145507014_51727@sp6iad.superfeed.net...
> So, I could use any material? I have to clarify. There is already a
> pipe
> to the outside, with a flapper right flat to the block. There is a fan
> already. It is mounted in the ceiling. It has been a finished washroom
> for
> years. I am talking about taking over where the pipe already goes
> outside,
> placed horizontal. All this work/materials is outside. The extension
> away
> from the current location is either straight up 4.5' or 8.5', either way,
> leaving a pipe open to the elements pointing straight up. But a 4" pipe
> on
> the outside of siding is going to be very obnoxious. Is there something
> maybe shaped more like downspout, and how to install it?
>
>
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> News==----
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> Newsgroups
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| |
| JerryD\(upstateNY\) 2006-04-21, 7:21 am |
| >>There is a fan already. It is mounted in the ceiling. It has been a finished washroom for years.<<
If this fan "has been there for years", what makes you think you have to do something with it now ?
The next door neighbor's air conditioner has to be 6'-8' away from your vent and your fan only runs a few minutes at a time.
I don't see any problem with it.
--
JerryD(upstateNY)
"bent" <bent@rogers.com> wrote in message news:1145507014_51727@sp6iad.superfeed.net...
So, I could use any material? I have to clarify. There is already a pipe
to the outside, with a flapper right flat to the block. There is a fan
already. It is mounted in the ceiling. It has been a finished washroom for
years. I am talking about taking over where the pipe already goes outside,
placed horizontal. All this work/materials is outside. The extension away
from the current location is either straight up 4.5' or 8.5', either way,
leaving a pipe open to the elements pointing straight up. But a 4" pipe on
the outside of siding is going to be very obnoxious. Is there something
maybe shaped more like downspout, and how to install it?
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| |
| Nehmo Sergheyev 2006-04-22, 4:21 pm |
| Really, this is a very simple job. It's just a bathroom vent.
Material? As long as it's not cardboard, you can use just about
anything. I previously suggested three kinds, but you could even use
painted wood too (make a box, perhaps). The moisture from the bathroom
won't be that big a deal.
Don't point the open end of the pipe upward. Rain goes in that way. Put
an elbow on the end if you have to.
The flapper or flapper and cage go on the end of the pipe.
There are plenty of ways to make the project look good. If you like the
way guttering-downspout looks, use some of that. It comes in larger
sizes.
If you are totally inept in making things, then just hire someone else
to do the job.
--
(||) Nehmo (||)
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| #1 answer: why?
#2 answer: holy cow!, why?
#3 answer: holy cow
#4 answer: wrong
#5 answer: getting warmer
it may be 8' from my can to their dinner table
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| Nehmo Sergheyev 2006-04-22, 9:21 pm |
| bent wrote:
> #1 answer: why?
> #2 answer: holy cow!, why?
> #3 answer: holy cow
> #4 answer: wrong
> #5 answer: getting warmer
You're using Outlook Express newsreader which is getting the messages
from your newsserver. It's not that way for everybody, so the numbering
system you're using does not agree with the positioning of the messages
as others see them. In GoogleGroups the message numbers would be
different too. But if you want to refer to messages by number, use
Google's numbers and say so (or name the poster). At least then,
everybody could see which one you're referring to.
Generally, however, when you respond to a particular post in OE, select
the post > Message > Reply to Group, as I did for your last post, and as
you did to your own post before that.
You also should make an effort to be polite. These people are trying to
help you, and the only thing they will get in return is the satisfaction
of doing that.
Goodbye.
--
(||) Nehmo (||)
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