[pure-silver] Re: light tight louvered vents
- From: Eric Nelson <emanmb@xxxxxxxxx>
- To: "pure-silver@xxxxxxxxxxxxx" <pure-silver@xxxxxxxxxxxxx>
- Date: Sat, 18 Feb 2012 07:11:26 -0800 (PST)
I have one and it's metal, but I've never installed it. I think it is meant to
be used inside where it would draw fresh air in via a louvered darkroom fan
which can be installed in an outside window or wall. My fan was and there was
some rust after years of hanging outside or from the fumes it removed but it
still worked fine. The electrical and moving parts had not rusted.
There are ways of baffling the light via turns in the ductwork etc, that will
act as a louvered fan for probably less $ and perhaps higher volume of air
moved.
Now if your contractor can weigh in on whether we should sister all our ceiling
joists or just the sagging ones that would be great. ;)
e
________________________________
From: shannon Stoney <shannonstoney@xxxxxxxxxxxxxxx>
To: pure-silver@xxxxxxxxxxxxx
Sent: Saturday, February 18, 2012 8:31 AM
Subject: [pure-silver] light tight louvered vents
I'm building a small outbuilding for my new darkroom. I am planning to use
light tight louvered vents that you can buy pre-manufactured, from BH
photovideo or Adorama. My contractor is worried that these won't be truly light
tight or water proof: he thinks that rain will come through them, or that they
might not be really light-tight. I was thinking they could go on the south
exterior wall of the building under the eaves, but he thinks they should draw
air from a little vestibule where they can be protected from weather. The one
I have now IS protected from weather in that way, but I didn't think that it
had to be.
Does anybody have any experience with whether these plastic vents are truly
light tight and water tight when they're on the exterior of a building?
Thanks.
--shannon============================================================================================================To
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