Mmpotter Posted June 8, 2014 Report Share Posted June 8, 2014 Help! Our Corelite shelves ( 1" X 18" X 18" ) cracked in half during firing. Not all just a couple. Cone 10 reduction. Anyone have this happen? Link to comment Share on other sites More sharing options...
Wyndham Posted June 8, 2014 Report Share Posted June 8, 2014 I've fired to cone 10 r quite a few times and have not had an issue. Is it possible something bumped them or something while in storage? Did they absorb water and froze, just guessing now. Wyndham Link to comment Share on other sites More sharing options...
Mark C. Posted June 8, 2014 Report Share Posted June 8, 2014 I have heard of some cracking with New ones from a few reasons-Bad batch from Factory and as mentioned wet or frozen ones. Mark Link to comment Share on other sites More sharing options...
Guest JBaymore Posted June 9, 2014 Report Share Posted June 9, 2014 Are you storing them when not in use laying horizontally or vertically? best, ..................john Link to comment Share on other sites More sharing options...
Mmpotter Posted June 9, 2014 Author Report Share Posted June 9, 2014 Thank you all for responding! I just cracked the door today. It's a car kiln. I could see that a couple on top cracked , no broke. I did not load it. I fired it. I will be unloading with my class Thursday. Then I can investigate further. They were out all winter but under cover. I'm in Colorado. :-). I'll let you all know what I see. I do know it went to cone 11. Link to comment Share on other sites More sharing options...
Mmpotter Posted June 9, 2014 Author Report Share Posted June 9, 2014 I am storing them vertically. Link to comment Share on other sites More sharing options...
Mark C. Posted June 9, 2014 Report Share Posted June 9, 2014 As these where on top my thought is they got hot fast and had water in them hence the cracks. You should store them off a concrete surface say up on wood to keep them from weeping up moisture during the winters My advancers are out but under cover always but also up on a two x frame of wood with zero issues. Also stored vertically Mark Link to comment Share on other sites More sharing options...
Mmpotter Posted June 11, 2014 Author Report Share Posted June 11, 2014 I'm sick about this . Unloading tomorrow. I'll take pictures. Thanks! Link to comment Share on other sites More sharing options...
neilestrick Posted June 11, 2014 Report Share Posted June 11, 2014 It happens to everyone at some point. I've unloaded a couple of kilns where the pots were holding up the shelf. Happened in college- once with old shelves, and once when a post from the salt kiln melted. Another reason it's good to have your pots only a tad shorter than the post- the shelf can't fall very far when it breaks! Link to comment Share on other sites More sharing options...
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