Monthly Tech-Tip | No tracking! No ads! |
Products like this are available at hardware stores. After you have removed the surface scum, be sure to seal it using a sealer (also available at hardware stores).
This is a common sealer available at a hardware store. I have dipped the terra cotta tile and it has dried. The surface of the dipped portion is smoother. It also has a slight sheen and better red color. This sealer even makes it possible to use a porous clay body for outdoors, terra cotta bricks have long be protected against freeze-thaw spalling using products like this.
Articles |
Outdoor Weather Resistant Ceramics
How can you be sure that the porosity of your fired ceramic ware is low enough to prevent freeze-thaw breakdown in the winter? |
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Glossary |
Efflorescence
A common problem with dry and fired ceramic. It is evident by the presence of a light or dark colored scum on the dry or fired surface. |
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