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Posted by Shawn on July 17, 2005, 5:22 pm
I live in a 20 year old (or so) condo. My attic/loft is livable
space, but is always uncomfortable in the summer. I've been doing my
research on powered attic ventilators, but because of safety issues
felt it would be better to go with the passive approach.
In looking at the venting, I have a ridge vent, and some soffit
venting, but only on the front. When there is soffit vent, it's
stagged sections every 18" or so across the front, not a continuous
soffit vent as I would expect. However, in the back the soffit is
solid, or so it appears. There is no visible venting in that soffit
at all. Some new units in the development were built in the last 2 or
3 years, so I thought I'd see how they did it and make a case to have
the venting installed. SAME THING. In the new units they have
staggered venting in the front soffits, and solid soffits in the rear.
What gives? I thought the idea was to have good venting on both sides
of the attic soffit? Why would a builder do it this way, with solid
in the back and vented in the front?
I've taken temperature measurements, and when it's 80 degrees outside,
its typically 120 degrees in the attic. I can't install gable vents,
because they are brick/block and not permitted to be altered. PAV is
out because of backdrafting, I have a ridge vent - so what are my
options?
Shawn
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Posted by Joseph Meehan on July 17, 2005, 10:23 pm
Shawn wrote:
>I live in a 20 year old (or so) condo. My attic/loft is livable
> space, but is always uncomfortable in the summer. I've been doing my
> research on powered attic ventilators, but because of safety issues
> felt it would be better to go with the passive approach.
>
> In looking at the venting, I have a ridge vent, and some soffit
> venting, but only on the front. When there is soffit vent, it's
> stagged sections every 18" or so across the front, not a continuous
> soffit vent as I would expect. However, in the back the soffit is
> solid, or so it appears. There is no visible venting in that soffit
> at all. Some new units in the development were built in the last 2 or
> 3 years, so I thought I'd see how they did it and make a case to have
> the venting installed. SAME THING. In the new units they have
> staggered venting in the front soffits, and solid soffits in the rear.
>
> What gives? I thought the idea was to have good venting on both sides
> of the attic soffit? Why would a builder do it this way, with solid
> in the back and vented in the front?
>
> I've taken temperature measurements, and when it's 80 degrees outside,
> its typically 120 degrees in the attic. I can't install gable vents,
> because they are brick/block and not permitted to be altered. PAV is
> out because of backdrafting, I have a ridge vent - so what are my
> options?
>
> Shawn
It appears someone put in insufficient venting. Without seeing it, it
would be difficult to tell. May I ask if there are any other vents than the
soffit vents? Soffits let air in, you also need vents up higher to let the
hot air out. I will also suggest that power venting and what venting
designs work best does depend on local conditions. What works for me may not
work well for you.
--
Joseph Meehan
Dia duit
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Posted by Shawn on July 17, 2005, 10:04 pm
On Sun, 17 Jul 2005 22:23:02 GMT, "Joseph Meehan"
>Shawn wrote:
>>I live in a 20 year old (or so) condo. My attic/loft is livable
>> space, but is always uncomfortable in the summer. I've been doing my
>> research on powered attic ventilators, but because of safety issues
>> felt it would be better to go with the passive approach.
>>
>> In looking at the venting, I have a ridge vent, and some soffit
>> venting, but only on the front. When there is soffit vent, it's
>> stagged sections every 18" or so across the front, not a continuous
>> soffit vent as I would expect. However, in the back the soffit is
>> solid, or so it appears. There is no visible venting in that soffit
>> at all. Some new units in the development were built in the last 2 or
>> 3 years, so I thought I'd see how they did it and make a case to have
>> the venting installed. SAME THING. In the new units they have
>> staggered venting in the front soffits, and solid soffits in the rear.
>>
>> What gives? I thought the idea was to have good venting on both sides
>> of the attic soffit? Why would a builder do it this way, with solid
>> in the back and vented in the front?
>>
>> I've taken temperature measurements, and when it's 80 degrees outside,
>> its typically 120 degrees in the attic. I can't install gable vents,
>> because they are brick/block and not permitted to be altered. PAV is
>> out because of backdrafting, I have a ridge vent - so what are my
>> options?
>>
>> Shawn
>
> It appears someone put in insufficient venting. Without seeing it, it
>would be difficult to tell. May I ask if there are any other vents than the
>soffit vents? Soffits let air in, you also need vents up higher to let the
>hot air out. I will also suggest that power venting and what venting
>designs work best does depend on local conditions. What works for me may not
>work well for you.
Thanks, Joe. The only other venting is the ridge vent, maybe a 20'
section or so, on a 30' roof line. Other than that, there isn't
anything else. Just the every-other soffit vent in the front, and
solid soffits in the back. All the venting in the place is bad -
dryer is vented to the attic, air conditioner water discharge goes out
to the soffit vent in the rear, and it just drips out wherever it
finds an opening, bathroom fans are vented to the attic. Not a great
setup, so I'm trying to make the changes all at one.
Does anyone know if there are roof discharges for dryers?
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Posted by George E. Cawthon on July 18, 2005, 3:44 am
Shawn wrote:
> On Sun, 17 Jul 2005 22:23:02 GMT, "Joseph Meehan"
>
>
>>Shawn wrote:
>>
>>>I live in a 20 year old (or so) condo. My attic/loft is livable
>>>space, but is always uncomfortable in the summer. I've been doing my
>>>research on powered attic ventilators, but because of safety issues
>>>felt it would be better to go with the passive approach.
>>>
>>>In looking at the venting, I have a ridge vent, and some soffit
>>>venting, but only on the front. When there is soffit vent, it's
>>>stagged sections every 18" or so across the front, not a continuous
>>>soffit vent as I would expect. However, in the back the soffit is
>>>solid, or so it appears. There is no visible venting in that soffit
>>>at all. Some new units in the development were built in the last 2 or
>>>3 years, so I thought I'd see how they did it and make a case to have
>>>the venting installed. SAME THING. In the new units they have
>>>staggered venting in the front soffits, and solid soffits in the rear.
>>>
>>>What gives? I thought the idea was to have good venting on both sides
>>>of the attic soffit? Why would a builder do it this way, with solid
>>>in the back and vented in the front?
>>>
>>>I've taken temperature measurements, and when it's 80 degrees outside,
>>>its typically 120 degrees in the attic. I can't install gable vents,
>>>because they are brick/block and not permitted to be altered. PAV is
>>>out because of backdrafting, I have a ridge vent - so what are my
>>>options?
>>>
>>>Shawn
>>
>> It appears someone put in insufficient venting. Without seeing it, it
>>would be difficult to tell. May I ask if there are any other vents than the
>>soffit vents? Soffits let air in, you also need vents up higher to let the
>>hot air out. I will also suggest that power venting and what venting
>>designs work best does depend on local conditions. What works for me may not
>>work well for you.
>
>
>
> Thanks, Joe. The only other venting is the ridge vent, maybe a 20'
> section or so, on a 30' roof line. Other than that, there isn't
> anything else. Just the every-other soffit vent in the front, and
> solid soffits in the back. All the venting in the place is bad -
> dryer is vented to the attic, air conditioner water discharge goes out
> to the soffit vent in the rear, and it just drips out wherever it
> finds an opening, bathroom fans are vented to the attic. Not a great
> setup, so I'm trying to make the changes all at one.
>
> Does anyone know if there are roof discharges for dryers?
Good grief, everyone knows you don't vent anything
into the attic, it either goes out the side or
through the roof. The dryer vent needs to exit
through the roof, or possibly trough the soffit to
the outside, or through a wall. Depending on
where the dryer is, most vent directly to an
outside wall. Bathroom vents usually/often vent
through the roof. The AC drip hose needs to run
directly to the outside, through the soffit is ok
but it shouldn't end before exiting the soffit.
At least that's my take, you might want to check
with the local building department to see what is
currently standard It sounds like the
construction probably violated the local code when
constructed and is certainly poor practice.
I'm not sure what livable space attic is, unless
you mean it has a floor. Old time attics that
were livable, didn't have real venting, just
windows at the gable ends. If the attic has a
floor but still has real venting (soffits and
ridge), one might use it for storage but I
wouldn't call it livable.
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Posted by Joseph Meehan on July 18, 2005, 10:00 am
Shawn wrote:
> On Sun, 17 Jul 2005 22:23:02 GMT, "Joseph Meehan"
>
>>Shawn wrote:
>>>I live in a 20 year old (or so) condo. My attic/loft is livable
>>> space, but is always uncomfortable in the summer. I've been doing
>>> my research on powered attic ventilators, but because of safety
>>> issues felt it would be better to go with the passive approach.
>>>
>>> In looking at the venting, I have a ridge vent, and some soffit
>>> venting, but only on the front. When there is soffit vent, it's
>>> stagged sections every 18" or so across the front, not a continuous
>>> soffit vent as I would expect. However, in the back the soffit is
>>> solid, or so it appears. There is no visible venting in that soffit
>>> at all. Some new units in the development were built in the last 2
>>> or 3 years, so I thought I'd see how they did it and make a case to
>>> have the venting installed. SAME THING. In the new units they
>>> have staggered venting in the front soffits, and solid soffits in
>>> the rear.
>>>
>>> What gives? I thought the idea was to have good venting on both
>>> sides of the attic soffit? Why would a builder do it this way,
>>> with solid in the back and vented in the front?
>>>
>>> I've taken temperature measurements, and when it's 80 degrees
>>> outside, its typically 120 degrees in the attic. I can't install
>>> gable vents, because they are brick/block and not permitted to be
>>> altered. PAV is out because of backdrafting, I have a ridge vent -
>>> so what are my options?
>>>
>>> Shawn
>>
>> It appears someone put in insufficient venting. Without seeing
>>it, it would be difficult to tell. May I ask if there are any other
>>vents than the soffit vents? Soffits let air in, you also need vents
>>up higher to let the hot air out. I will also suggest that power
>>venting and what venting designs work best does depend on local
>>conditions. What works for me may not work well for you.
>
>
> Thanks, Joe. The only other venting is the ridge vent, maybe a 20'
> section or so, on a 30' roof line.
Ridge venting is good.
> Other than that, there isn't
> anything else. Just the every-other soffit vent in the front, and
> solid soffits in the back.
Local codes should specify how many square inches of vent per square
feet of area vented is required. More is always better.
> All the venting in the place is bad -
> dryer is vented to the attic,
Very bad, and against code in many areas.
> air conditioner water discharge goes out
> to the soffit vent in the rear, and it just drips out wherever it
> finds an opening, bathroom fans are vented to the attic. Not a great
> setup, so I'm trying to make the changes all at one.
>
Yea they all need changing.
> Does anyone know if there are roof discharges for dryers?
Yes. I would prefer a gable end vent, but that is not always possible.
--
Joseph Meehan
Dia duit
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