Ceramic Element Holders result in a clean kiln interior:
The inside of an e23T-3 L&L Easy-Fire Kiln.
Hard Ceramic Holders Protect Firebrick
- The hard ceramic element holders protect the soft fragile firebrick
- Replacing elements does not damage the brick
- Elements don't sag or fall out of broken grooves
- No metal pins are needed to hold elements into broken grooves
- Customers often say their L&L kilns look new after 30 years of hard use!
Smooth Hard Surface of Holder allows elements to expand and contract
- Ceramic element holders have a smooth, hard surface which allows the elements to expand and contract freely
- No loose brick particles will fall in the kiln and ruin ware
- Your elements will last longer because elements do not get easily snagged, bunched-up, and burned-out
- It is harder for glaze, clay particles and firebrick to touch and damage elements
Dense Ceramic Transmits Heat Better
- The thin, dense wall of the holders reflects the infrared heat into the kiln
- Elements operate at a lower temperature relative to the internal kiln temperature
- L&L kilns require less firebrick insulation to be cut out which increases insulating ability, energy efficiency and strength of the kiln
Element Holders are Hard - They Resist breakage when loading
Ceramic Holders Fix the Fundamental Problem of Electric Kilns
- Most electric kilns have grooves routed in the firebrick for the elements to lay in.
- The elements are often pinned in for further support.
- The firebrick "wall" that supports the element also insulates the heat of the element from the kiln (creating energy efficiency problems and element life problems).
- After one or two element changes the fragile firebrick starts to fall apart and pins become the primary element support.
- It only takes one accidental bump with a kiln shelf to permanently damage a kiln around the element groove.
If this looks familiar - it might be time to change to an L&L
A typical non-L&L kiln without hard ceramic element holders showing how the brick breaks and elements sag from from constant loading and wear.
What is Wrong with Using Metal Pins to Hold in the Elements?
- Pins can actually make the problem worse because as they expand and contract (at a different rate than the brick) the pins fracture the firebrick more.
- How do you know before you start how many you are going to need?
- It is very difficult to find places to put the pins, as the firebrick is so deteriorated and crumbling.
- Crimped terminals are a pain to install and, as the wires have to keep getting cut back, the wires get too short.
Cost of Maintenance
- How hard are you going to use the kiln?
- If you are a school, an institution, a factory or a serious artist who depends on your kiln for a living, then you should seriously invest in the most trouble-free kiln you can buy.
- Even if you are hobbyist why not get the best kiln made?
- Although the exact cost of maintenance savings is hard to calculate - it can add up to major savings in time and money.