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Lesson Plans


RE: Need info on ventilation

[ Thread ][ Subject ][ Author ][ Date ]
wrapf (wrapf)
Wed, 11 Sep 96 09:16:42 EST


In New Hampshire there is no law for venting a kiln. An art room should
have 6-10 full air exchanges per hour by NH code. The best type of vent
for a kiln are the new downdraft vents that attach to the bottom of the kiln
and suck fumes out. This creates a negative pressure inside the kiln
preventing the escape of any fumes from the cracks, lid, or other small
openings. It also has the advantage of evenning the heat distribution so
the hottest part of the kiln isn't the top. I have been using one for years
in a room that has no operable windows, and when the kiln fires there isn't
even a hint of fumes. The only way one knows the kiln is on, is from the
quiet whirring of the exhaust moter, and the radiant warmth in the corner of
the room.

Bill R.
Souhegan High School