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Kiln Wash Furniture?


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#1 smokin pots

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Posted 05 July 2011 - 09:22 AM

Do I need to put kiln wash on my kiln furniture? Thank you for you advice.
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#2 Chris Campbell

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Posted 05 July 2011 - 09:49 AM

Do you mean the posts?
If so, I never have but in hindsight I would put some on the tops and bottoms.
These have stuck to shelves and pulled off bits and now they wobble a bit.
I'm not up for grinding them down right now, but if I did I would coat the ends with kiln wash.

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#3 ceramicfundamentalist

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Posted 05 July 2011 - 10:03 AM

i wouldn't bother washing my posts. i'm the only one firing my kilns right now, and though there is lots of student work in there i know everything that goes in and out. if you are in your own studio and you are in control of everything that goes in and out, i say don't worry about it (as long as you yourself are not doing anything too crazy). more than things sticking together a little bit i hate getting messy white specks all over my kilns and pots.

of course it depends on what kind of firing you are doing. washing is essential in soda/salt, somewhat desirable in wood, but not really necessary in regular reduction or electric. and the higher the temperature the more i would encourage washing - i am currently firing at 04 and have never had the posts stick to the shelves.

i should also note that i keep separate shelves for bisque and glaze firing. i never wash my bisque shelves, and they last forever with zero maintenance, and are never messy. i keep a good coat of kiln wash on my glaze shelves at all times.

#4 smokin pots

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Posted 05 July 2011 - 10:10 AM

Thank you so much for your quick responses. Glad I asked before I did it!
Kind regards
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#5 JBaymore

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Posted 05 July 2011 - 11:37 AM

Do I need to put kiln wash on my kiln furniture? Thank you for you advice.



What kind of kiln do you fire? To what cone? What type of furniture do you use? Is this for your own use of a group studio? How long have you been doing clay?

All of those factors can make a difference in the recommendation.

best,

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#6 Marcia Selsor

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Posted 06 July 2011 - 07:23 AM

Yes. I dip the ends of my stilts in a light kiln wash. This keeps them from sticking to the shelve when unloading. I have chipped pieces when a stuck post drops off a shelf as the shelf is being lifted out of the kiln.
Just a precautionary measure.
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#7 Alden

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Posted 07 December 2011 - 02:59 AM

I'm totally agree with ceramicfunamentalist that it depends on what kind of firing you are doing.Washing is essential in soda/salt, somewhat desirable in wood, but not really necessary in regular reduction or electric.The higher the temperature the more you would encourage washing.





#8 Marcia Selsor

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Posted 07 December 2011 - 07:59 AM

I find the posts stick even in a normal reduction firing and even in an electric firing ^04 in classroom situations when some bit of glaze may be remaining on a post. I have been working in a shop at a University for the past semester and the posts are sticking. I have been going through them and grinding them clean, painting with kiln wash. It makes it easier to unload. Now if I could find something to keep the mud dabbers out of the post holes, the world would be perfect.


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#9 Pres

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Posted 07 December 2011 - 09:21 AM

Do I need to put kiln wash on my kiln furniture? Thank you for you advice.


Never on the sides in a normal firing because of flaking. However, I like to brush a coat on the ends just in case. It keeps them form sticking in the kiln if there is a run, or something else-like an overfiring - heaven forbid! I fire to Cone 6 in a completely manual kiln. Long 6 soak.

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#10 Marcia Selsor

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Posted 08 December 2011 - 04:46 AM


Do I need to put kiln wash on my kiln furniture? Thank you for you advice.


Never on the sides in a normal firing because of flaking. However, I like to brush a coat on the ends just in case. It keeps them form sticking in the kiln if there is a run, or something else-like an overfiring - heaven forbid! I fire to Cone 6 in a completely manual kiln. Long 6 soak.


I agree..only wash the ends.
Marcia

#11 brigittee

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Posted 06 March 2013 - 05:13 AM

klin furniture needs a lot of care for maintenance to increase its life. but is it safe to wash klin furniture.?

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#12 High Bridge Pottery

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Posted 06 March 2013 - 02:50 PM

Interesting topic, never thought about washing the props. Recently got two kiln shelves that need kiln wash applied so might do the props too. I am firing cone 9-10 electric kiln.




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