Lee Love on wed 27 jan 10
On Wed, Jan 27, 2010 at 4:16 PM, Russel Fouts wrot=
=3D
e:
> I don't know any other way to say it.
>
> Terra sig can be fired to any temperature you want in any environment
> you want. It will look different each way.
So, all terra sigs at all temps are equally water tight and good for
functional pottery?
Not everybody makes art pieces.
--
Lee, a Mashiko potter in Minneapolis
http://mashikopots.blogspot.com/
"Ta tIr na n-=3DF3g ar chul an tI=3D97tIr dlainn trina ch=3DE9ile"=3D97tha=
t is, "T=3D
he
land of eternal youth is behind the house, a beautiful land fluent
within itself." -- John O'Donohue
Russel Fouts on wed 27 jan 10
I don't know any other way to say it.
Terra sig can be fired to any temperature you want in any environment
you want. It will look different each way. It will be beautiful and
useful each way. Shine isn't everything, color and texture are also good.
I can post examples of people using it in wood fire, soda, etc, all high
fire.
I myself fire it anywhere from cone 010 to cone 2.
It can be applied at any stage. Try it. I can apply mine to bisque or
green or leather hard. It's different each way but it always sticks but
then, my sigs are very thin (+/- 1.05 sg).
I usually use at least two coats of my white 'base' sig depending on how
well I want to cover.
And, in my workshops, people have applied my sig to what ever bisqued
body they were using at the time and it usually stuck.
What works for you, works for you, there are really no hard fast rules.
http://www.mypots.com
For my terra-sig primer:
http://users.skynet.be/russel.fouts/Files/Terra-Sig%20Primer.txt
Good luck
Russel
Taylor Hendrix on thu 28 jan 10
Hey Russel,
i've used terra sig on bisqued pieces as well and it turned out just
fine. I can't wait to try some of my reg sig on some spanked bowls
I've bisqued. I want to do some smoking in my electric kiln.
I'm glad we have folks on the list who don't take "can't" for an answer.
Wish I could transfer that thinking to other parts of my life.
rock on clayart,
Taylor, in Rockport TX
wirerabbit1 on Skype (-0600 UTC)
http://wirerabbit.blogspot.com
http://wirerabbitpots.blogspot.com
http://www.flickr.com/photos/wirerabbit/
On Wed, Jan 27, 2010 at 4:16 PM, Russel Fouts wrot=
e:
> I don't know any other way to say it.
>
> Terra sig can be fired to any temperature you want in any environment
> you want. It will look different each way. It will be beautiful and
> useful each way. Shine isn't everything, color and texture are also good.
...
Vince Pitelka on thu 28 jan 10
Terra sig finishes are not water-tight at any temperature. Terra sigillata
translates as "sealed earth," but that is based on the fact that the terra
sig finish is far more sealed than just the plain clay finish, but far less
than any glaze. Terra sig-finished pots are not food-safe for people
unaccustomed to them. It's the same way with any burnished or polished cla=
y
- if you grow up from early childhood eating food from such vessels, you
build up a resistance to the bacteria that grow in the pores in the clay.
Without that resistance, if you use terra sig as a food-contact finish, you
may experience some unfortunate gastrointestinal distress or worse.
- Vince
Vince Pitelka
Appalachian Center for Craft
Tennessee Tech University
vpitelka@dtccom.net; wpitelka@tntech.edu
http://iweb.tntech.edu/wpitelka
Heather Pedersen on thu 28 jan 10
Terra sig can be water tight? I didn't think that was even a
consideration. We are talking about the terra sig that is fine
particles of clay suspended in water with some deflocculent, correct?
I recall at cone 6ish, it is definitely not shiny anymore, but I know
someone who uses it still because she likes the look of feel of the
pot and glaze better.
-=3D3D Heather
On Wed, Jan 27, 2010 at 6:47 PM, Lee Love wrote:
> On Wed, Jan 27, 2010 at 4:16 PM, Russel Fouts wr=
=3D
ote:
>> I don't know any other way to say it.
>>
>> Terra sig can be fired to any temperature you want in any environment
>> you want. It will look different each way.
>
> =3DA0So, all terra sigs at all temps are equally water tight and good for
> functional pottery?
>
> =3DA0 =3DA0Not everybody makes art pieces.
>
> --
> =3DA0Lee, a Mashiko potter in Minneapolis
> http://mashikopots.blogspot.com/
>
> =3DA0"Ta tIr na n-=3DF3g ar chul an tI=3D97tIr dlainn trina ch=3DE9ile"=
=3D97that is=3D
, "The
> land of eternal youth is behind the house, a beautiful land fluent
> within itself." -- John O'Donohue
>
Lee Love on thu 28 jan 10
On Thu, Jan 28, 2010 at 9:13 AM, Heather Pedersen wrot=
=3D
e:
> Terra sig can be water tight? =3DA0I didn't think that was even a
> consideration. =3DA0We are talking about the terra sig that is fine
> particles of clay suspended in water with some deflocculent, correct?
Yes, that is the whole point of sigging unglazed feet. That, along
with smoothing it.
My pie plates are like teflon. Pie slips right out and makes
them easy to clean.
Check this guy out, Tom Hess. He used to make several different
forms, but after his work was featured in a home magazine, his pie
plates become so in demand, that all he makes is pie plates now:
http://www.hesspottery.com/pie_plates.htm
--
Lee, a Mashiko potter in Minneapolis
http://mashikopots.blogspot.com/
"Ta tIr na n-=3DF3g ar chul an tI=3D97tIr dlainn trina ch=3DE9ile"=3D97tha=
t is, "T=3D
he
land of eternal youth is behind the house, a beautiful land fluent
within itself." -- John O'Donohue
Vince Pitelka on fri 29 jan 10
Taylor Hendrix wrote:
"I'm glad we have folks on the list who don't take "can't" for an =3D
answer."
I agree. I've tried not to take "can't" for an answer, but have found =3D
that I just can't. I can't really abide but that, but can't decide what =
=3D
to do about it. But I suppose it can't be all bad.=3D20
- Vince
Vince Pitelka
Appalachian Center for Craft
Tennessee Tech University
vpitelka@dtccom.net; wpitelka@tntech.edu
http://iweb.tntech.edu/wpitelka
Russel Fouts on fri 29 jan 10
Lee,=3D20
>> So, all terra sigs at all temps are equally water tight and good for
functional pottery? Not everybody makes art pieces. <<
Water tightness is only one aspect of Terra-sig. Once you give up the =3D
functional aspects whoe new vistas open up.
All aspects of TS are good. It's a fabulous material.
Russel
Russel Fouts
Mes Potes & Mes Pots
Brussels, Belgium
Tel: +32 2 223 02 75
Mobile: +32 476 55 38 75
http://www.mypots.com
Home of "The Potters Portal"
Over 3000 Pottery Related Links!
Updated infrequently
"Look, it's my misery that I have to paint this kind of painting, it's =3D
your misery that you have to love it, and the price of the misery is =3D
thirteen hundred and fifty dollars. "
- Mark Rothko, In Art/Painting
Lee Love on fri 29 jan 10
On Thu, Jan 28, 2010 at 10:13 PM, Taylor Hendrix wr=
=3D
ote:
> Hey Russel,
>
> i've used terra sig on bisqued pieces as well and it turned out just
> fine. I can't wait to try some of my reg sig on some spanked bowls
> I've bisqued. I want to do some smoking in my electric kiln.
>
> I'm glad we have folks on the list who don't take "can't" for an answer.
Me too. Some folks would have you think terra sigged pieces can't
be functional.
--
Lee, a Mashiko potter in Minneapolis
http://mashikopots.blogspot.com/
"Ta tIr na n-=3DF3g ar chul an tI=3D97tIr dlainn trina ch=3DE9ile"=3D97tha=
t is, "T=3D
he
land of eternal youth is behind the house, a beautiful land fluent
within itself." -- John O'Donohue
Lee Love on fri 29 jan 10
http://www.facebook.com/photo.php?pid=3D3D3905916&l=3D3D28d02466ed&id=3D3D5=
507270=3D
56
Terra sigged yunomi, next to the inspiration for making tea stuff in
red clay, a Tokonome "100 poets" yunomi.
--
Lee, a Mashiko potter in Minneapolis
http://mashikopots.blogspot.com/
"Ta tIr na n-=3DF3g ar chul an tI=3D97tIr dlainn trina ch=3DE9ile"=3D97tha=
t is, "T=3D
he
land of eternal youth is behind the house, a beautiful land fluent
within itself." -- John O'Donohue
Lee Love on fri 29 jan 10
On Fri, Jan 29, 2010 at 7:03 AM, Russel Fouts wrot=
=3D
e:
> Water tightness is only one aspect of Terra-sig. Once you give up the
>functional aspects whoe new vistas open up.
A much over looked aspect. The art use has made folks confused
about the fucntional aspects, as exampled by comments here. The
original purpose of terra sig was functionality.
It is like what we have done to Raku. Raku began as
functional ware, but its expressive use has muddled that history.
> All aspects of TS are good. It's a fabulous material.
No problems, only solutions!
--
Lee, a Mashiko potter in Minneapolis
http://mashikopots.blogspot.com/
"Ta tIr na n-=3DF3g ar chul an tI=3D97tIr dlainn trina ch=3DE9ile"=3D97tha=
t is, "T=3D
he
land of eternal youth is behind the house, a beautiful land fluent
within itself." -- John O'Donohue
Steve Mills on fri 29 jan 10
Taylor, I'm intrigued by the term "spanked"! What did they do wrong?
Steve M
On 29 January 2010 04:13, Taylor Hendrix wrote:
> Hey Russel,
>
> i've used terra sig on bisqued pieces as well and it turned out just
> fine. I can't wait to try some of my reg sig on some spanked bowls
> I've bisqued. I want to do some smoking in my electric kiln.
>
> I'm glad we have folks on the list who don't take "can't" for an answer.
>
> Wish I could transfer that thinking to other parts of my life.
>
> rock on clayart,
>
> Taylor, in Rockport TX
> wirerabbit1 on Skype (-0600 UTC)
> http://wirerabbit.blogspot.com
> http://wirerabbitpots.blogspot.com
> http://www.flickr.com/photos/wirerabbit/
>
>
>
> On Wed, Jan 27, 2010 at 4:16 PM, Russel Fouts
> wrote:
> > I don't know any other way to say it.
> >
> > Terra sig can be fired to any temperature you want in any environment
> > you want. It will look different each way. It will be beautiful and
> > useful each way. Shine isn't everything, color and texture are also goo=
d.
> ...
>
--
Steve
Bath
UK
www.mudslinger.me.uk
Ron Roy on sat 30 jan 10
Terra sig does not stop water from getting into unvitrified clay - a =3D20
simple absorption test is all that is needed to find this out.
RR
Quoting Lee Love :
> On Thu, Jan 28, 2010 at 9:13 AM, Heather Pedersen wr=
o=3D
te:
>> Terra sig can be water tight? =3DC2=3DA0I didn't think that was even a
>> consideration. =3DC2=3DA0We are talking about the terra sig that is fine
>> particles of clay suspended in water with some deflocculent, correct?
>
> Yes, that is the whole point of sigging unglazed feet. That, along
> with smoothing it.
>
> My pie plates are like teflon. Pie slips right out and makes
> them easy to clean.
>
> Check this guy out, Tom Hess. He used to make several different
> forms, but after his work was featured in a home magazine, his pie
> plates become so in demand, that all he makes is pie plates now:
>
> http://www.hesspottery.com/pie_plates.htm
>
>
> --
> Lee, a Mashiko potter in Minneapolis
> http://mashikopots.blogspot.com/
>
> "Ta tIr na n-=3DC3=3DB3g ar chul an tI=3DE2=3D80=3D94tIr dlainn trina ch=
=3DC3=3DA9ile"=3D
=3DE2=3D80=3D94that is, "The
> land of eternal youth is behind the house, a beautiful land fluent
> within itself." -- John O'Donohue
>
Lee Love on sat 30 jan 10
On Sat, Jan 30, 2010 at 1:15 PM, wrote:
> Terra sig does not stop water from getting into unvitrified clay - a simp=
=3D
le
> absorption test is all that is needed to find this out.
I have been using terra sig on feet for some time and it works great.
Lisa Buck sprays terra sig on the outside of her unglazed
earthenware to help their funtionality. See her work here:
http://www.thegrandhand.com/BIOPAGES/Buck.html#
Don't take anybody's theoretical word for it. Test yourself!
--
Lee, a Mashiko potter in Minneapolis
http://mashikopots.blogspot.com/
"Ta tIr na n-=3DF3g ar chul an tI=3D97tIr dlainn trina ch=3DE9ile"=3D97tha=
t is, "T=3D
he
land of eternal youth is behind the house, a beautiful land fluent
within itself." -- John O'Donohue
Lee Love on sat 30 jan 10
On Sat, Jan 30, 2010 at 1:42 PM, Lee Love wrote:
> http://www.thegrandhand.com/BIOPAGES/Buck.html#
Just wanted to add, This is from the site:
"Lisa=3D92s pots are built to be used and are oven, dishwasher and microwav=
e =3D
safe."
> =3DA0 =3DA0 =3DA0 =3DA0 =3DA0Don't take anybody's theoretical word for it=
. =3DA0Test =3D
yourself!
--
Lee, a Mashiko potter in Minneapolis
http://mashikopots.blogspot.com/
"Ta tIr na n-=3DF3g ar chul an tI=3D97tIr dlainn trina ch=3DE9ile"=3D97tha=
t is, "T=3D
he
land of eternal youth is behind the house, a beautiful land fluent
within itself." -- John O'Donohue
Vince Pitelka on sat 30 jan 10
Lee Love wrote:
"Don't take anybody's theoretical word for it. Test yourself!"
Good advice Lee. Thank god we have so many people on this list who really
do know what the hell they are talking about. And of course, terra sig on
the outside of a functional vessel is pretty irrelevant in this
conversation.
- Vince
Vince Pitelka
Appalachian Center for Craft
Tennessee Tech University
vpitelka@dtccom.net; wpitelka@tntech.edu
http://iweb.tntech.edu/wpitelka
Floyd Hale on sun 31 jan 10
Vince,
I read your article on terra sig, specifically the firing section. I am =
=3D
currently=3D20
firing cone 10 oxidation. If I attempted to smooth my pot bottoms by app=
=3D
lying=3D20
terra sig to greenware, then bisque, then glaze and fire to cone 10 in th=
=3D
e=3D20
usual fashion (no glaze on the bottom), would the terra sig on the bottom=
=3D
s still=3D20
give a smoother surface, or would it turn to glaze and bind to the kiln s=
=3D
helf?
Floyd Hale
Lee Love on sun 31 jan 10
On Sun, Jan 31, 2010 at 8:37 AM, Floyd Hale wrote:
> Vince,
> I read your article on terra sig, specifically the firing section. =3DA0I=
a=3D
m currently
> firing cone 10 oxidation. =3DA0If I attempted to smooth my pot bottoms by=
a=3D
pplying
> terra sig to greenware, then bisque, then glaze and fire to cone 10 in th=
=3D
e
> usual fashion (no glaze on the bottom), would the terra sig on the bottom=
=3D
s still
> give a smoother surface, or would it turn to glaze and bind to the kiln s=
=3D
helf?
Floyd, if you make your terra sig from EPK or sagger clay, you
should be alright.
So much about how clay behaves depends on the temps you fire
it to. That was what I initially posted about.
When folks only think of terra sig in primitive or horsehair temps,
they limit the range of what it can do.
But don't take anybody's word on it, especially the so called
experts with blinders on. It is SOooooo easy to test yourself. If
you have any worry about the outcome, bisque a disk and kiln wash it
and put your test on that.
Terra sig may also be a way to keep tacky porcelain from
sticking to the shelf. I will test this theory.
--
Lee, a Mashiko potter in Minneapolis
http://mashikopots.blogspot.com/
"Ta tIr na n-=3DF3g ar chul an tI=3D97tIr dlainn trina ch=3DE9ile"=3D97tha=
t is, "T=3D
he
land of eternal youth is behind the house, a beautiful land fluent
within itself." -- John O'Donohue
Vince Pitelka on sun 31 jan 10
Floyd Hale wrote:
"I read your article on terra sig, specifically the firing section. I am
currently
firing cone 10 oxidation. If I attempted to smooth my pot bottoms by
applying
terra sig to greenware, then bisque, then glaze and fire to cone 10 in the
usual fashion (no glaze on the bottom), would the terra sig on the bottoms
still
give a smoother surface, or would it turn to glaze and bind to the kiln
shelf?"
Floyd -
As long as you make the terra sig from a clay that fires to cone 10, you
will have no problem. If you make a Redart terra sig and coat the feet of =
a
pot and then fire it to cone-10, it will turn into a glaze, but a terra sig
made from Goldart, EPK, OM-4, etc., will do just fine. If you are working
with a very gritty claybody, then the terra sig will not completely conceal
that texture, but it always comes out smoother than without it. The best
results are on claybodies with very fine grog or sand, or with no grog or
sand. Then it truly does give a silky finish that is quite wonderful.
- Vince
Vince Pitelka
Appalachian Center for Craft
Tennessee Tech University
vpitelka@dtccom.net; wpitelka@tntech.edu
http://iweb.tntech.edu/wpitelka
Ron Roy on mon 1 feb 10
If the clay is vitrified enough it won't leak - if the clay is not =3D20
vitrified enough it will absorb water even though it is terra sigged.
Nothing complicated about this!
RR
Quoting Lee Love :
> On Sat, Jan 30, 2010 at 1:42 PM, Lee Love wrote:
>
>> http://www.thegrandhand.com/BIOPAGES/Buck.html#
>
> Just wanted to add, This is from the site:
>
> "Lisa=3DE2=3D80=3D99s pots are built to be used and are oven, dishwasher =
and =3D20
> microwave safe."
>
>
>
>> =3DC2=3DA0 =3DC2=3DA0 =3DC2=3DA0 =3DC2=3DA0 =3DC2=3DA0Don't take anybody=
's theoretical word f=3D
or it. =3DC2=3DA0Test yourself!
>
> --
> Lee, a Mashiko potter in Minneapolis
> http://mashikopots.blogspot.com/
>
> "Ta tIr na n-=3DC3=3DB3g ar chul an tI=3DE2=3D80=3D94tIr dlainn trina ch=
=3DC3=3DA9ile"=3D
=3DE2=3D80=3D94that is, "The
> land of eternal youth is behind the house, a beautiful land fluent
> within itself." -- John O'Donohue
>
Lee Love on mon 1 feb 10
On Mon, Feb 1, 2010 at 10:49 AM, wrote:
> If the clay is vitrified enough it won't leak - if the clay is not vitrif=
=3D
ied
> enough it will absorb water even though it is terra sigged.
>
> Nothing complicated about this!
Yes, that was my original point. If you fire too low, as with most
primitive or horsehair firing, it will leak. Terra sig is clay.
No brainer!
--
Lee, a Mashiko potter in Minneapolis
http://mashikopots.blogspot.com/
=3D93Observe the wonders as they occur around you. Don't claim them. Feel
the artistry moving through and be silent.=3D94 --Rumi
David Woof on tue 2 feb 10
Perhaps a common source of the misconception re T'sig and leaking is that t=
=3D
he original peoples did apply slips and burnish to compact the surface clay=
=3D
particles and then after firing and while still very warm=3D2C they treate=
d =3D
the pot with plant resins that penetrated the porous clay body and effectiv=
=3D
ly acted as a water resistant sealer.
=3D20
Though this knowledge is still with us and being applied=3D2C I think many =
fo=3D
lks now working with various low fire methods are unfamiliar with the origi=
=3D
ns of terra sig and primitive firing and so are ignorant of that important =
=3D
second step.
=3D20
David Woof Clarkdale=3D2C Arizona
________________________________________________________________________
1b. Re: Terra sig=3D2C misconseptions about temperature and application
Posted by: "Lee Love" cwiddershins@GMAIL.COM=3D20
Date: Mon Feb 1=3D2C 2010 11:50 am ((PST))
=3D20
On Mon=3D2C Feb 1=3D2C 2010 at 10:49 AM=3D2C wrote:
=3D20
> If the clay is vitrified enough it won't leak - if the clay is not vitrif=
=3D
ied
> enough it will absorb water even though it is terra sigged.
>
> Nothing complicated about this!
=3D20
Yes=3D2C that was my original point. If you fire too low=3D2C as with most
primitive or horsehair firing=3D2C it will leak. Terra sig is clay.
No brainer!
=3D20
=3D20
=3D20
_________________________________________________________________
Hotmail: Powerful Free email with security by Microsoft.
http://clk.atdmt.com/GBL/go/201469230/direct/01/=3D
Lee Love on tue 2 feb 10
On Tue, Feb 2, 2010 at 11:13 AM, David Woof wrote:
> Perhaps a common source of the misconception re T'sig
I believe the main misconception is the fact that you have to fire
higher than the tradtional native American temps and the clays are
very different.
If you actually test the clays and terra sig, you know from experience.
--
Lee, a Mashiko potter in Minneapolis
http://mashikopots.blogspot.com/
=3D93Observe the wonders as they occur around you. Don't claim them. Feel
the artistry moving through and be silent.=3D94 --Rumi
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