[Darkroom] door jamb

Kelly hurtstotouchfire at gmail.com
Wed Jan 13 01:58:13 PST 2010


the internets told us...

Um, basically we google for cfm and how much air turnover a darkroom
should have, etc.  And it seems 100 would be sufficient, maybe, but 70
is a bit low.  We felt 150 was a reasonable amount of
over-ventilation.

I'm planning on doing cyanotype for sure, but who knows what we'll be
doing in there eventually.  I'd rather over-ventilate.

-K

On Tue, Jan 12, 2010 at 11:54 PM, Joachim Pedersen <joachimp at gmail.com> wrote:
> I brought small bathroom style fan a while back, but i've been
> informed that it's been reallocated to the bathroom effort. On what
> basis was the spec of a 150cfm fan made?
>
>
> -Joachim
> ------------------------------
>
>
>
> On Wed, Jan 13, 2010 at 04:51, Ben Rupert <meowdip at gmail.com> wrote:
>> I went to the hardware store today to buy the pieces to make a door jamb for
>> the darkroom and then realized that I'm stupid.  I measured the height and
>> width of the opening for the door, but not the depth.  If someone is around
>> there in the next day or two will you measure the depth as well?  Also the
>> thickness of the door itself would be helpful.  I also looked at fans for
>> ventilation, but everything I could find were too small (70-80 cfm).  I look
>> around some of the used places in SF and the east bay to see about finding
>> something over 150 cfm at a reasonable price.
>>
>> Thanks,
>> Ben
>>
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>>
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