Glass Tips from Verrier

Many people report that they fire multiple times on kiln wash that has not been renewed.   Most add coats over existing kiln wash.   They on...

  Credit ASTM   The nature of the cracks - and spider web describes it perfectly - shows an adhesion problem. It is not an annealing probl...

A question about kiln wash. Do you have to let each coat dry while applying before applying the next coat?   There seems to be a popular ...

My new kiln fires differently than my existing one(s). Each kiln will be different in minor or major ways.   Suggested schedules are...

As you move up from smalle r pieces to pieces that occupy most of the shelf, you sometimes begin to get large rounded bubbles at tack fu...

A question was asked about a collapsed bubble. There were two pieces in the kiln and one (strips) was fine and the other (flat plate) ha...

Sand beds can be used for shaping directly into the sand or as a bed for a large kiln to avoid having to place a number of shelves together ...

Applying kiln wash to shelves and moulds have the same requirements . The kiln wash must be applied evenly You can use a soft bristled...

“Having just got my first kiln, I was wondering how often I have to add kiln wash to the bottom of the kiln.” It has become common...

Problems with finished pieces can be caused by an untidy or dusty kiln interior.   Pieces can be affected by devitrification or specks of ...

When considering how many layers of kiln wash to put on shelves, especially for melts, combing and other high temperature operations, you ...

The main conditions in which kiln wash sticks to glass are: 1. Firing at too high a temperature. The higher the temperature, the more like...

There are at least three ways to remove kiln/ batt wash from mullite kiln shelves. One quick way is to use a broad wallpaper scraper hel...

There are a number of ways of applying separators to the kiln shelf. These go by a variety of names - kiln wash, shelf primer, batt wash, e...