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Subject Author Date
Attic boxes Mat 10-16-2007
|--> Re: Attic boxes Steve Barker LT10-16-2007
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Posted by Mat on October 16, 2007, 9:56 pm
I just moved into a 30 year old house and am puzzled by something I saw in
the attic. At first I thought they were bundles of unused insulation. But
then I realized they were boxes (about 2' cubed) that were fixed on the
attic floor. They are wrapped in insualtion material, and I believe they
are all immediately above recessed light pots in the top floor ceiling
below. I've never seen this before. If they are just there to insulate the
pot lights, then it seems like overkill!

There is also ducting up there that feeds the top floor vents, and they are
insulated in the usual way, with rolled insulation material covering them.
The boxes appear not to be related to the ducting.

Anyone seen boxes used like this before?

TIA

Mat



Posted by Tony Hwang on October 16, 2007, 10:02 pm
Mat wrote:

> I just moved into a 30 year old house and am puzzled by something I saw in
> the attic. At first I thought they were bundles of unused insulation. But
> then I realized they were boxes (about 2' cubed) that were fixed on the
> attic floor. They are wrapped in insualtion material, and I believe they
> are all immediately above recessed light pots in the top floor ceiling
> below. I've never seen this before. If they are just there to insulate the
> pot lights, then it seems like overkill!
>
> There is also ducting up there that feeds the top floor vents, and they are
> insulated in the usual way, with rolled insulation material covering them.
> The boxes appear not to be related to the ducting.
>
> Anyone seen boxes used like this before?
>
> TIA
>
> Mat
>
>
Hi,
Yes for sure. You can't just cover light fixture with insulation. You
need some clearance due to rising heat build up.

Posted by Mike Paulsen on October 16, 2007, 10:11 pm
Mat wrote:
> I just moved into a 30 year old house and am puzzled by something I saw in
> the attic. At first I thought they were bundles of unused insulation. But
> then I realized they were boxes (about 2' cubed) that were fixed on the
> attic floor. They are wrapped in insualtion material, and I believe they
> are all immediately above recessed light pots in the top floor ceiling
> below. I've never seen this before. If they are just there to insulate the
> pot lights, then it seems like overkill!
>
(snip)

There are recessed lights which are rated for direct contact with
insulation (IC) and those which are not (non-IC). You most likely have
the latter. The boxes ensure that the necessary clearance to insulation
and other combustibles is maintained.

Posted by Steve Barker LT on October 16, 2007, 10:27 pm
Probably someone paranoid about the insulation getting on the fixture. And
YES the insulation can touch the fixture, as long as it is rated for such.

s


>I just moved into a 30 year old house and am puzzled by something I saw in
>the attic. At first I thought they were bundles of unused insulation. But
>then I realized they were boxes (about 2' cubed) that were fixed on the
>attic floor. They are wrapped in insualtion material, and I believe they
>are all immediately above recessed light pots in the top floor ceiling
>below. I've never seen this before. If they are just there to insulate
>the pot lights, then it seems like overkill!
>
> There is also ducting up there that feeds the top floor vents, and they
> are insulated in the usual way, with rolled insulation material covering
> them. The boxes appear not to be related to the ducting.
>
> Anyone seen boxes used like this before?
>
> TIA
>
> Mat
>



Posted by lee h on October 16, 2007, 10:32 pm
Mat wrote:
> I just moved into a 30 year old house and am puzzled by something I
> saw in the attic. At first I thought they were bundles of unused
> insulation. But then I realized they were boxes (about 2' cubed)
> that were fixed on the attic floor. They are wrapped in insualtion
> material, and I believe they are all immediately above recessed light
> pots in the top floor ceiling below. I've never seen this before.
> If they are just there to insulate the pot lights, then it seems like
> overkill!

Are the boxes possibly part of the recessed light fixtures? i.e.,
the light actually 'recesses' up into the boxes? Larger 'flood' type
recessed fixtures are rather deep.



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