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@comments2 thanks Jennifer. I used 2-3shelfs all the time but will try a little slower ramp up and see. I will try fusing them back together. How many times can glass be melted?

@greenthumbjen It sounds like you're firing in a ceramics kiln, which is fine. Glass requires a lot of heat circulations to ensure even heating so shelves stacked directly on top of each other are not recommended. Try slowing to 300 degrees per hour and add a 15 minute hold at about 1000 degrees to let the glass reach the kiln temperature before proceeding.

@Laceyboo I would not use granite. Have you ever put any rocks in a fire? they explode or at least crack most of the time and granite is afterall a rock

Please Help!!! I have been slumping bottles in my kiln for the past 2 years and last year started to fuse glass. I have been very successful being it is a large pottery kiln. I slumped a fused coe 90 piece a couple of weeks ago along with some specialty bottles a friend needed. everything great. I fused some very large pieces of glass art and they all came out great. I went to slump 3 large pieces of already fused glass artwork, one on 1"fiberboar with a whole cut out , one on a stainless vase cylinder and one on a Ceramic ring that I had used before. I ramped up the kiln at 500 degrees per hour and once it reached 1300 degrees I cooled to 980 and closed back up and soaked and then cooled. when I opened the kiln to cool the first time I thought the top piece already looked broken. all three levels were broken. Too hot on ramp up when glass is already fused? Bummed Jewelry has come out great and because I have all the pottery supplies I can make countless shapes to slump on and into. I really thought I ramped up at 500 degrees the last time but may have done it at 400 degrees I really did not think that would make a difference.

@akterry123 I recommend cutting your glass to fit your pattern to make sure your pieces all fit. Then foil and lay out your pieces on your pattern. Tack solder (add a spot of solder to critical seams) to hold everything together. Then you can begin the process of soldering your seams without your pieces moving around.

I am very new. Should I foil and spot weld as I go. If so what is the prep when I actually begin soldering. thanks at

@cscheydt as long as you are using a decal that matures at a tack fuse temperature you can absolutely do both at the same time. Gold and other high-fire decals should be done in a separate process as they require hotter temperatures.

Hello, Question for the gurus. I want to fire a decal on and at the same time, perform a tack fuse. Can I do this. I have already performed the full fuse on two pieces of Spectrum 96 glass. Now it is time to put the decal on, I have allowed it to dry overnight. I want to tack fuse a pebble onto the same piece.

@Lynn D I'm unclear on what you mean by dragging but sharp edges can be caused by sticking so if that's the case wrapping your kiln board may help. There are several products that can be referred to as kiln board and each have a varying lifespan however most can be used more than once. For this project you can use a diamond hand file or grinder to get rid of the sharp edge.

I recently made some pocket vases using 3 layers of kiln board (1/8") and the edge of the top dragged and is pointed and sharp. Any suggestions? I thought of wrapping the kiln board with kiln paper... And how often can you re-use the kiln board? Maybe that's the problem. This particular set was fired once before. Thanks!