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Frequently Asked Questions
What kind of clay do you use?
We use a midfire stoneware clay.
3 REASONS TO LOVE STONEWARE:
1. Stoneware is fired to a higher temperature (cone 5 /2167* or cone 6 /2232*) than earthenware (cone 04 /1945* to cone 06 /1826*). This means that unlike earthenware, which is porous and will absorb moisture, a stoneware clay becomes vitrified and lacks porosity when fired to maturity.
2. Stoneware may be used in the microwave, dishwasher and/or oven*. *Note: Allow the ware to preheat with the oven to prevent thermal shock. Earthenware, however, is NOT at all recommended for dishwasher, microwave or oven as it’s far more vulnerable to thermal shock. Earthenware needs to be hand washed.
3. Unlike earthenware; stoneware is an excellent choice for long-lasting, durable dinnerware surfaces. Earthenware needs to be treated gently, as it is more prone to chipping or breaking.
What are the pick up days and times?
Please talk with your instructor about pick up arrangements. They will let you know when work is complete, and whether to meet them for pick up or stop by while we are hosting a class (which is most weekday evenings). Also, please be sure to share & tag us with pictures of you enjoying your creation!
How long will it take before I can pick up my piece?
Please allow four to eight weeks. We allow one to three weeks for drying to avoid cracking. This is especially important if there are attachments like handles. Then the work is bisque fired, glazed, and fired again. Each firing is a two day process.
What is "Hand Building"?
“Handbuilding is an ancient pottery-making technique that involves creating forms without a pottery wheel, using the hands, fingers, and simple tools. The most common handbuilding techniques are pinch pottery, coil building, and slab building” -Ceramic Arts Network
Is throwing on the wheel hard to do?
Throwing on the wheel is easy to understand, yet takes time to master. Larger complex pieces are more challenging. You may be able to make a small pot during your first try, yet just getting the hang of centering is success! No worries... our instructors know how to help make it easier for you.
What are the steps in making?
1) wet clay, just made pieces; 2) leather hard greenware ready to be trimmed if desired; 3) bone dry greenware ready to be bisque fired; 4) bisque ready to be glazed; 5) glazed ware ready for final firing; 6) finished ware ready for pick up.
Does clay stain clothing?
Yes, clay may stain clothes. We usually use a midfire stoneware porcelain mix (Laguna BMIX WC401 ^5), which is a light colored clay body. It is less likely to stain than most clays, yet it can embed in some fabric. Also, you'll probably get muddy. So it is wise to wear clothes that you do not mind getting stained.
Do glazes stain?
Yes, glazes often stain. Glazes are more likely to stain clothing than clay. So definitely wear clothes that can get stained on glazing day.
How long does firing take?
Each firing typically takes 8 to 12 hours of firing time wherein the elements are on and generating heat. Then there is another 24 hours of cool down where the kiln is off and left closed. Trying to skip or speed the cool down phase risks thermal shock to the ware and probable breakage. So potters have to be patient!