Name: Kiln Mortar / Lid Coat
Brand: Olympic
SKU: KILN MTR
Price: 9.0 USD
Availability: InStock

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PRODUCT DESCRIPTION

Handle your kiln lid carefully to avoid damaging the firebricks and/or peeling off the lid coating. When the lid coating is peeling or flaking off, don’t worry. The damage described above is minor. You can replace peeling lid coating by removing the old layer of coating with light sanding, and then reapply a new layer and letting it dry before your fire. Before applying the lid coating, vacuum the firebrick surfaces.

Product Specifications

I pint jar/bottle or Kiln Repair liquid mortar for lid coating. Used to coat the inner lid surface of firebrick kilns.

What's Included

Liquid Kiln Coating is used to coat the inner lid surface of firebrick kilns. It is a mixture of kiln cement, fine brick dust, a gumming agent, and water. 1 pint (.47 liter) bottle.

Key Information

HOW TO APPLY LID COATING

Shake the container until the liquid coating is thoroughly mixed. Pour some of the coating into a
bowl. Stir the coating just before you apply it to the
firebricks.

Apply the coating with a large, soft sponge such as
the type used for wallpaper. Moisten the sponge
with water squeezing out the excess.

Dip the moistened sponge into the bowl of kiln
coating. Wipe the coating over the lid surface.
Work quickly, and wipe off the excess. The coating
should be thin enough so that you can still see the
grains of the bricks underneath.

Allow the coating to dry completely before firing
the kiln.

Note: Do not breathe firebrick dust or kiln cement.

HOW TO APPLY LID COATING

Liquid Kiln Coating is a refractory cement that we have formulated for coating firebrick lids here at the factory. (The door or lid of ceramic fiber kilns and front-loading firebrick kilns do not need the coating.) The coating hardens and protects the firebrick surfaces. One application lasts through many firings even though the coating will seem to disappear after the first firing.

If you splash the coating onto an element, remove as
much of the cement as possible from the element. Do not fire the kiln until the coating is completely dry.
Coating that is applied too thick will flake off the lid after you fire the kiln. If the roof or inner surface of the lid peels, sand the peeled area of the lid and apply kiln coating to the bare spots.

If you are coating over a freshly patched firebrick surface, allow the cemented patch to dry first.

Kiln Lid Repair - How to Apply Lid Coating Directions

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