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Funny you should ask about air compressors. I just bought this one http://www.porter-cable.com/index.asp?e=547&p=4699 and the first time I used it it blew the breakers in my garage. Had to have a new electrical panel put in this weekend to accommodate it. And surprisingly, it's much quieter than...

Riverdance - I fused the piece with an EXTREMELY slow ramp up and 25 min soak and that took care of the bubbles...but I think a bubble tried to form in the center, there's a little distortion there. I going with the shelf paper next. I slumped the piece yesterday and it slumped perfectly \:D/ but, I...

Mary Kay - If I'm understanding your question correctly, each layer is 3mm thick, so the 2 layers would be 6mm.

Stacey

I'm using Spectrum 96, 3mm. Approx. 90% is 2 layers, the rest is 1 layer. The bubbles are forming under the 2 layers.

Thank you, everone, for the information! I have the piece in the kiln now, and I sacrificed a Diet Coke to the kiln god, so we'll see what happens


Stacey

I was expecting my shelf to have dips because it was a cheap one. I now know what to look for when I buy more. I have a couple of books for slumping and fusing and after reading through them I'm sure the bubbles are caused from the kiln wash. When I did a search on this forum I didn't see anything f...

Bert - thanks for the advice. I checked and my shelf is flat. I just bought this shelf and I would have been upset if it weren't.

Thanks, again, Amy! Yes, my kiln has top and side elements.

Is there a kiln god I should be making sacrifices to????

Stacey

Thanks Amy! Yes, the bubbles are between the shelf and the glass. Can I just clarify that because I'm curing the the wash I won't need to soak the glass at 1100 degrees for 30 min., then slowly firing 100 degrees per hour to 1300 degrees??? (That is what the book suggests doing. I don't want to do b...

I'm pretty new to fusing and slumping and have had a problem with large bubbles. According to the Contemporary Warm Glass book it says the bubbles can be caused by gases given off by the shelf primer. My question is....If I "cure" the primed shelf at 500 degrees for 10 minutes, as per the ...