Melting Glass Jars on Pottery - Experimental

A quick series of tests melting glass over pottery in an electric kiln.
Let me know if you have tried something similar.

[@TheJojoaruba52]

I did my ceramics master’s thesis on using glass as ceramic decoration. The trick is to double fire. The pot needs to be fired like normal. Then the fired pot needs to be fired to about 1350 F slow firing with slow cooling (annealing). I would be glad to share my thesis with anyone.

[@stefananicoletapelin3252]

Hi, I’d love to give it a read!

[@darrenjackson5]

I'd love to read as well!

[@proudamornthien1201]

PLEASE SHARE

[@kyombik]

I'd love to read!!

[@b.johnson4003]

I'd love to read your information.

[@NeenaPlant]

I've watched videos for crystal glazes where a catch basin was used and after firing, a torch was used on a wheel to heat the joint where the crystal glaze adhered to the basin. When you hear a ping, tap with a hammer. That might help with these experiments.

[@healersambath]

Oh costly experiment

[@3000gtwelder]

What if you crushed the glass into really fine powder in a ball mill or something, and made a liquid glaze out of it? You could do it with different colored glass, and just paint it on, or dip it?

[@ankhpom9296]

I will be mixing a little frit (powdered glass) into a ceramic glaze fired to cone 10. I think what will happen is the glass particles will melt resulting in a streaky effect.

[@OutOfNamesToChoose]

That chestnut foot was a stroke of genius. It complemented the vase perfectly! Edit: Also love the red and turquoise one; would look stunning with a few tulips put into it

[@cynthiawilson4500]

Crush the glass and mix with glaze

[@barbarab285]

What cone and time were used?

[@polinanisenbaum4803]

Amazing, thank you for sharing

[@ankhpom9296]

I’ve started fooling around using glass with ceramics. What you could try is mix frit with ceramic glaze. The glass particles will melt at around 1480F. I would use coarse grade frit rather than the fine or powdery frit.

[@mauvemoth569]

what about sanding the sacrificial glass to a matte finish so a glaze has an easier time sticking to it and totally painting it before using it like this

[@vickibarrycoppard8336]

when you make your pottery forms put a hole in the clay before firing could be anywhere, unless liquid hold is required. You can put the hole higher

[@elizabethwatson71]

Why aren’t you using zyp in the bowls or cups to better facilitate the bits coming out clean? Also if you have your heart set on sling it your way, I’d recommend making a base that has long thin tripod legs. That will help make the pieces come apart more easily.

[@elencecconello7347]

Fantástico!!! Felicitaciones maestro 👏 saludos desde Argentina !!

[@micheledickey4066]

How fast are you firing these and to what cone? If you do a firing one day and are able to do another the next day I’m just wondering because my kiln takes a long time to cool so I can’t do firings on back to back days. Thanks.

[@freddiemoretti8456]

Wonderful experiments.....me thinks you are having too much fun testing on the edge of possible disaster. Thanks for sharing Justin!

[@johncake3645]

Very interesting Idea. I will try it with coloured glass - say the bottom of a coloured bottle. It would also be interesting to take a pottery piece that has been glaze fired then re-fire it to the full fuse temperature which is around 1475F. There could be a point at which the glass flower but not off the pot.

[@jairperez8056]

Please try to melt pulverized glass, with with different grain sizes. :)

[@cv5686]

Beautiful!!!

[@annamariainnocenti785]

Mi piace anche questo connubio ceramica/ vetro: bravissimo!!!!!

[@jshellenbarger727]

Fascinating!

[@mathewritchie]

You know you can drill a hole in glass?

[@darlink57]

Have you tried a smaller piece of glass?

[@jameskayeartist]

you rock justin

[@janetjohnson998]

Cool as usual. How many kilns have you burned through?

[@JustinsMakery]

Hah! Only one small kiln before this one. I just keep replacing the bricks and elements as needed.

[@janetjohnson6864]

@@JustinsMakery I just got my first kiln so I am babying it. About to load my first glaze fire. Eek!

[@AminulIslam-cp7ei]

What's the firing temp /cone no.

[@JustinsMakery]

Cone 5

[@kiwiprouddavids724]

Just been strolling through some of your videos ,it's very cool ,if you have time to answer ,do you make replicas of those old XXX moonshine jugs , or dose anyone use amfori for storing wine anymore

[@rachaelgodfrey7546]

I am just loving these expertements - thank you so much for sharing ❤

[@BasilWallace]

Do you have any of your glazes published anywhere?

[@edwarddrost5299]

Use a curved file to score where you want the glass to break at the bottom of the piece. You may have to alternate using hot and cold water poured on the line, and I don't know how the ceramic will react. A grinding or polishing tip in a Dremel tool will help to smooth any roughness.

[@micheledickey4066]

I really love that you do all of this experimenting! I’m so sorry you have done so much damage to your kiln though. The wood base is absolutely beautiful as well as an amazing idea!!

[@lourdesmacdonald8580]

I really enjoyed this video. Make me feel so uncomfortable until I saw the results. Great job

[@karmakeefarm2686]

Beautiful! I love the wooden base. Your experiments are so much fun to watch! Thanks!

[@1HorseOpenSlay]

Have you ever tried using antique cobalt blue bottles?

[@Apostolic401]

Different color glass gives what kind of look?

[@rickwise6259]

Justin -- what are the 2 little rod shaped items standing in the kiln to the right of the pots at around 2:18? Is that kiln furniture?

[@JustinsMakery]

Good eye! I have another video coming up where I make large ceramic pulleys. Those are the pivot pins. :)

[@barthanes1]

This is a really beautiful technique. The light blue and dark blue are the best. Success!

[@catheyfoss2890]

at what cone did you fire these to or did i miss that?

[@klp4655]

Nice - I love your experiments.

[@ermanevcil]

I just love this channel :)

[@wanderingpots]

If you use batt wash on your bisque containers the glass shouldn’t stick.

[@maciejsimm2342]

no amount of coats of primo primer / boron nitride / kiln shelf wash prevents sticking at glaze firing temperatures (2200+F). I've done this a few times trying to "sneak a slump" on my glaze firing. Its' frustrating but if you want to unstick your glass, its meant for 1550F ish max.

[@apenfeather4773]

If you get a glass grinder (wet grinder) you'd be able to grind a hole into the bottom of the jars before fusing to let out any trapped air. You can find them in shops that sell stained glass supplies.

[@ThundrGurl]

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