Glass on Heating Element

This page will discuss how to rectify the Glass on heating element dilemma.

If this problem has occurred, hopefully this page will give you some ideas on how to correct this predicament.

Glass can get on the heating element when firing.

This is not a common occurrence, but it can happen.

It usually occurs to side firing kilns when either a piece has been sticking too far off the kiln shelf, a piece has slipped during firing and has landed on the firing element, or you have experienced an overflow of a piece that has been heated to a high temperature.

Thermal shock can be a good friend when trying to remove any unwanted glass from the element.

There are a couple of solutions that can be tried to salvage the problem.

1. Heat up the kiln without any items inside. Turn off and open the kiln when the temperature has reached over 1000 degrees Fahrenheit and allow the cool air to break the pieces.

2. Heat the glass with a gas Mapp torch. The glass will crack as it cools down and then can be removed.

3. Try tapping the glass with something metal. This will break up the glass around the element.

If trying suggestion #1 or #2, wear protective glasses and be sure to step back when the glass is shattering.

You don’t want to be in the way of any flying glass.

Someone suggested dropping a little bit of water on the glass after heating it up, but I don’t think you want to be that close to shattering glass.

But, if you do try dripping water on the heated piece, be sure the kiln is off and unplugged.

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