Suzana Lisanti on mon 29 dec 97
Hi,
I'm hoping to build a table-top spray booth for my home studio, and I
wonder if anyone has tips or a plan they would be willing to share?
My thoughts so far are to build a box about 24" square, and at the far end
have an opening that's slightly smaller than a 20" square. At this opening
I would place a 20" square furnace filter sandwiched between the booth and
a 20" square window fan that would pull the air away from the spray booth.
The reason I've settled on the 24" dimensions of the booth are because of
the 20" fan.
I'm a little concerned that the fan may not pull out the air with enough
strength to make the spraying safe. I wonder what is an inexpensive
washable material to use for the walls? Shall I angle the walls out to
give me more working room? I plan to use this for occasional spraying
(wearing a mask), inside the first-floor studio.
Thanks in advance,
Suzana Lisanti
Cambridge, MA
KYSOCKSOFF on tue 30 dec 97
I don't have specific advice on building a booth with this kind of fan but was
intrigued by the possibilities. You could probably mock it up in cardboard
for air flow tests. There is such a thing as too much air flow as well - I
think ideally you are looking for about 100 CFM (cubic feet per minute).
Below this not enough suction and above too much flow to allow the material to
stick as well. There are meters to measure this but they are not inexpensive
or easy to find - you're probably stuck with subjective observation. If the
fan appears to work and give somewhat uniform draw over the opening of the
booth - perhaps that tub surround material available in most building centers
- approx. $10 for a 4x8 sheet plus framing support, etc. I have also heard of
people using poultry exhaust fans (explosion proof and all) to do this. Good
Luck! Al Pfeiffer
kinoko@junction.net on wed 31 dec 97
Suzana, The only inexpensive as well as efficient way of cleaing the
discharge air from a fine particulate spray booth,that I know of is to
discharge the air directly out-of-doors. I believe this is illegal in
Cambridge without very larg and special air-cleaning vortex cleaners.
Beyond that,you might add acurtain of wet burlap which can be kept moist
and drip into a metal tray.(Perhaps a wet-and-dry shop vacuum would fill
the bill). Even the best of home-brewed spray booths do not remove the
finest of particles,such as cobalt,manganese,copper from the atmosphere of
the studio where they may attach to other dust particles and become
ingested. This is another of those "over-time" problems of increasing
concentration. There has recently come to my attention information
suggesting that several afflictions,including Diabetes Mellitus and several
cancerous conditions,may be industrially related. Art does not exist in a
creative vacuum but is part of the industrial process. Good luck.Kinoko
11:01 12/29/97 EST, you wrote:
>----------------------------Original message----------------------------
>Hi,
>
>I'm hoping to build a table-top spray booth for my home studio, and I
>wonder if anyone has tips or a plan they would be willing to share?
>
>My thoughts so far are to build a box about 24" square, and at the far end
>have an opening that's slightly smaller than a 20" square. At this opening
>I would place a 20" square furnace filter sandwiched between the booth and
>a 20" square window fan that would pull the air away from the spray booth.
>The reason I've settled on the 24" dimensions of the booth are because of
>the 20" fan.
>
>I'm a little concerned that the fan may not pull out the air with enough
>strength to make the spraying safe. I wonder what is an inexpensive
>washable material to use for the walls? Shall I angle the walls out to
>give me more working room? I plan to use this for occasional spraying
>(wearing a mask), inside the first-floor studio.
>
>Thanks in advance,
>
>Suzana Lisanti
>Cambridge, MA
>
Robert Speirs, M.D. 12 4450 on wed 31 dec 97
Dear Suzana,
I had a spray booth built for my new studio last summer. We made it out
of laminate board which can easily be sponged off.
I understand your concern about the fan. I got an expensive one and it
makes a lot of noise but it doesn't pull really hard. Luckily for me (I
guess) I have a little bitty compressor that doesn't blow a whole lot of
air and keeps the errant spray factor low. I always use a mask when
spraying and am comforted by the fact that a fog of glaze does not
appear in the area outside the booth.
Your plan sounds pretty good to me. Just wear that mask!
Laura in Oregon
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