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Condensation inside my double-glazed skylight

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Condensation inside my double-glazed skylight Mike 06-21-2007
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Posted by Mike on June 21, 2007, 11:21 am
I have a Velux skylight that was originally installed when my house
was built 17 years ago. I've recently noticed condensation between
the panes. Since this is installed in a recess through the attic, and
there's nothing but blue sky above it (except when there's clouds), it
really has no aesthetic impact. How important is it to fix this?
What sorts of problems can I expect?


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Posted by Edwin Pawlowski on June 21, 2007, 11:50 am

>I have a Velux skylight that was originally installed when my house
> was built 17 years ago. I've recently noticed condensation between
> the panes. Since this is installed in a recess through the attic, and
> there's nothing but blue sky above it (except when there's clouds), it
> really has no aesthetic impact. How important is it to fix this?
> What sorts of problems can I expect?

It will get cloudier as time goes on and it is not going to insulate quite
as good since the seal is broken. Unless you get condensation on the
inside, it is more of an appearance thing.



Posted by on June 21, 2007, 1:02 pm
>
>
> >I have a Velux skylight that was originally installed when my house
> > was built 17 years ago. I've recently noticed condensation between
> > the panes. Since this is installed in a recess through the attic, and
> > there's nothing but blue sky above it (except when there's clouds), it
> > really has no aesthetic impact. How important is it to fix this?
> > What sorts of problems can I expect?
>
> It will get cloudier as time goes on and it is not going to insulate quite
> as good since the seal is broken. Unless you get condensation on the
> inside, it is more of an appearance thing.


Agree. I guess the question is how much of a difference in insulation
it makes. Gradually more water will condense in there and humid air
will conduct heat better than the inert gas that was there originally,
but it may not amount to all that much.


Posted by hallerb@aol.com on June 21, 2007, 1:05 pm
On Jun 21, 1:02?pm, trad...@optonline.net wrote:
>
>
>
> > >I have a Velux skylight that was originally installed when my house
> > > was built 17 years ago. I've recently noticed condensation between
> > > the panes. Since this is installed in a recess through the attic, and
> > > there's nothing but blue sky above it (except when there's clouds), it
> > > really has no aesthetic impact. How important is it to fix this?
> > > What sorts of problems can I expect?
>
> > It will get cloudier as time goes on and it is not going to insulate quite
> > as good since the seal is broken. Unless you get condensation on the
> > inside, it is more of an appearance thing.
>
> Agree. I guess the question is how much of a difference in insulation
> it makes. Gradually more water will condense in there and humid air
> will conduct heat better than the inert gas that was there originally,
> but it may not amount to all that much.

unless the water fills the void and freezes. A friend fixes windows
and reports that can occur. if your not home and heavy rain snow
occurs bad scene.

as part of maintaiing your home its best fixed, or one day you will
have a unreal amount of catch up work to do:(


Posted by Just Joshin on June 24, 2007, 2:32 pm

>I have a Velux skylight that was originally installed when my house
>was built 17 years ago. I've recently noticed condensation between
>the panes. Since this is installed in a recess through the attic, and
>there's nothing but blue sky above it (except when there's clouds), it
>really has no aesthetic impact. How important is it to fix this?
>What sorts of problems can I expect?


Without looking at it, it sounds like the double pane window seal has
failed. The insulation properties it offered now might be
comprimised.

tom @ www.URLBee.com


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