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Yank_fan_2965
 
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Default No soffit vents, no roof or ridge vents. How do I finish my attic??

I have a 65 year old two story colonial and I want to finish the attic.
The problem is that I have no ventilation. There are no soffit vents.
There are no roof or ridge vents. There is paper faced fiberglass
insulation between the rafters extending from the level of the floor to
the peak of the roof (installed before I bought it), and I don't think
that there are any baffles between the insulation and the sheathing.
Joists are present and spaced at 32 inches. Were attics made 65 years
ago without ventilation? Am I missing something? I'd like to build knee
walls and install a flat drywall ceiling with recessed lighting just
below the level of the joists. But I don't want to do it without proper
ventilation. Any suggestions?

Do I have any options besides retrofitting soffit vents, ripping out
and reinstalling the insulation with baffles, and installing a ridge or
wall vent? The attic floor is covered with pine flooring, and I don't
know what if any insulation is present below it.

Thanks in advance to all who reply. And thanks to all who have helped
me here in the past.

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Yank_fan_2965
 
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Default No soffit vents, no roof or ridge vents. How do I finish my attic??

Forgot to mention. The house is in northern Ohio.

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Doug Boulter
 
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Default No soffit vents, no roof or ridge vents. How do I finish my attic??

"Yank_fan_2965" wrote on 30 Dec 2005:

Joists are present and spaced at 32 inches. Were attics made 65
years ago without ventilation? Am I missing something? I'd like
to build knee walls and install a flat drywall ceiling with
recessed lighting just below the level of the joists. But I
don't want to do it without proper ventilation. Any suggestions?


You haven't given us the size and the span of the joists, but I'm
betting that your structure isn't sufficient to carry the weight of
finished space, certainly not at 32" OC unless this is post and
beam construction. It may also be that you don't have sufficient
height to get a legal ceiling (7'6") in there. So I'd guess that
ventilation isn't even close to being your real problem.

I don't know whether your apparently non-ventilated attic was
deliberate or the result of some clueless owner hoping to save on
heating costs. Non-vented roofs do get built today, but such a
system is somewhat controversial. And it's not done the way yours
is done with an open attic below.

You really need the help of an architect, engineer, or good design-
build person if you want to finish this space.

--
Doug Boulter

To reply by e-mail, remove the obvious word from the e-mail address
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mm
 
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Default No soffit vents, no roof or ridge vents. How do I finish my attic??

To start, ask your neighbors with similar size houses what they've
done. It's a good way to meet your neighbors. If no one on your block
knows anything, try the next block.

On 29 Dec 2005 22:02:04 -0800, "Yank_fan_2965"
wrote:

I have a 65 year old two story colonial and I want to finish the attic.
The problem is that I have no ventilation. There are no soffit vents.
There are no roof or ridge vents. There is paper faced fiberglass
insulation between the rafters extending from the level of the floor to
the peak of the roof (installed before I bought it), and I don't think
that there are any baffles between the insulation and the sheathing.
Joists are present and spaced at 32 inches. Were attics made 65 years
ago without ventilation? Am I missing something? I'd like to build knee
walls and install a flat drywall ceiling with recessed lighting just
below the level of the joists. But I don't want to do it without proper
ventilation. Any suggestions?

Do I have any options besides retrofitting soffit vents, ripping out
and reinstalling the insulation with baffles, and installing a ridge or
wall vent? The attic floor is covered with pine flooring, and I don't
know what if any insulation is present below it.

Thanks in advance to all who reply. And thanks to all who have helped
me here in the past.



Remove NOPSAM to email me. Please let
me know if you have posted also.
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buffalobill
 
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Default No soffit vents, no roof or ridge vents. How do I finish my attic??

assume there is no insulation. this will be the time for skylights, a
pair of dormers, a new roof, new insulation, new windows, electrical
wiring, cable/satellite/internet wiring, plumbing. smoke detectors, CO
detectors, and a fire extinguisher. and intercom/buzzer/camera for the
entrance door. and HVAC.
if permitted by your local building inspector at your city hall.
also look there for copies of the blueprints on file. if available they
will help you very much.



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Default No soffit vents, no roof or ridge vents. How do I finish my attic??

If you can heat & cool similar to the rest of the house, you do not
have to vent the attic.
Treat it like any other room in the house.
You could, if you want to add vents, vent the roof as you would a
cathedral ceiling.
Check Building Science Corporation for discussion.
TB

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Default No soffit vents, no roof or ridge vents. How do I finish my attic??

I heartily agree with your comment on the structural capacity of the
ceiling / floor joists.
I disagree with your comment on the need for venting.
TB

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No
 
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Default No soffit vents, no roof or ridge vents. How do I finish my attic??

Yank_fan_2965" wrote in message
oups.com...
I have a 65 year old two story colonial and I want to finish the attic.
The problem is that I have no ventilation. There are no soffit vents.
There are no roof or ridge vents. There is paper faced fiberglass
insulation between the rafters extending from the level of the floor to
the peak of the roof (installed before I bought it), and I don't think
that there are any baffles between the insulation and the sheathing.
Joists are present and spaced at 32 inches. Were attics made 65 years
ago without ventilation? Am I missing something? I'd like to build knee
walls and install a flat drywall ceiling with recessed lighting just
below the level of the joists. But I don't want to do it without proper
ventilation. Any suggestions?

Do I have any options besides retrofitting soffit vents, ripping out
and reinstalling the insulation with baffles, and installing a ridge or
wall vent? The attic floor is covered with pine flooring, and I don't
know what if any insulation is present below it.

Thanks in advance to all who reply. And thanks to all who have helped
me here in the past.


Hey Yank -
I went through an attic finish project. Mine involved adding dormers, etc. I
created a small attic, added gable vents, soffit vents, spacers behind
insulation where i drywalled the rafters, etc. You will have a lot of
framing to beef up, possibly in the floor too. Do it right and it will be
nice. Do a hack job and it will have problems down the road.


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BeBo
 
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Default No soffit vents, no roof or ridge vents. How do I finish my attic??


"Yank_fan_2965" wrote in message
oups.com...
I have a 65 year old two story colonial and I want to finish the attic.
The problem is that I have no ventilation. There are no soffit vents.
There are no roof or ridge vents. There is paper faced fiberglass
insulation between the rafters extending from the level of the floor to
the peak of the roof (installed before I bought it), and I don't think
that there are any baffles between the insulation and the sheathing.
Joists are present and spaced at 32 inches. Were attics made 65 years
ago without ventilation? Am I missing something? I'd like to build knee
walls and install a flat drywall ceiling with recessed lighting just
below the level of the joists. But I don't want to do it without proper
ventilation. Any suggestions?


wall vents would be my first pick, do you have vents on the gable ends?
maybe you can just put a fan up to the vents to boost extraction of unwanted
air



Do I have any options besides retrofitting soffit vents, ripping out
and reinstalling the insulation with baffles, and installing a ridge or
wall vent? The attic floor is covered with pine flooring, and I don't
know what if any insulation is present below it.


your house sounds very familiar, i am very inclined to believe there is
insulation under the floor, I think the roof insulation was not installed
when the house was built and the insulation under the floor was the sole top
insulation.


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