mel jacobson on wed 12 jul 06
here is some information:
flue liners can be ordered at
Smith Sharpe Company
117 27th Av SE Minneapolis, MN 55414
tel: 612 331 1345 ask for Donna.
they perhaps, have the best selection in america.
they just happen to be in my back yard.
make sure you get the pipe first..then match the liners
to the pipe. calling ahead for both pipe and liners will mean
that you have really tight specs.
spiral pipe can be found in most major cities in the United States.
try the yellow pages under: `sheet metal contractors`.
call a few and ask around.
it comes almost any length, diameter and you can in most cases,
select the thickness gauge. twenty is almost perfect for stacks.
a 10", 12 foot pipe of 16 gauge will be heavy as can be.
i paid 60 bucks or so for a 14 foot, 10" /20 gauge..and the
guy threw in two sorta bent pieces 12" and 10" about 10 feet long.
i use itc100 on the flue liners.
i soak both ends in itc and then paint the inside, or splash
it around. i am sure a quality thinned out high temp mortar would
work as well. the point is to get the flue liners to mush a bit,
and then they stick together. it eliminates the hot spots
that may occur when the liners do not mesh well, and heat
leaks to the metal. remember, some high heat caulk is not
meant for 1000F. they sort of go to 500 or so. some fireplace
caulks are not meant for kilns. the heat difference is amazing.
same for fireplace brick...never use it on a kiln...it can melt.
hard brick and fireplace brick are different...always check the
heat for use ratio.
the website for a complete set of plans for the small flat top
in perfect cad drawings can be found at:
http://www.potterymaking.org/FlattopKiln_Complete.pdf
this is the kiln that we fire in four and half hours at the farm.
cone 13.
mel.
and of course, if you have questions, drop me a line.
from: mel/minnetonka.mn.usa
website: http://www.visi.com/~melpots/
Clayart page link: http://www.visi.com/~melpots/clayart.html
David Hendley on wed 12 jul 06
In Texas we have never heard of "spiral pipe".
Mel is talking about culverts.
David Hendley
Maydelle, Texas
david(at)farmpots(dot)com
"EXTRUDE IT! Getting the Most From
Your Clay Extruder" available at
http://www.farmpots.com
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