A professional who builds temporary casing doors and seals crown openings in kilns, using handtools. Respnsibilities include:

• Stacks brick in doorway of kiln.
• Mixes dirt and water to form mud, and spreads mud over brick to seal opening, using trowel.
• Climbs on top of kiln and places covers or crown openings over kiln and seals them with mud.
• Positions and screws burners in openings.
• Pulls down doors with hook after firing of kiln and removes crown covers to control cooling.