Introduction to Glazing in Pottery

Pottery glazing is a crucial step in the crafting process that transforms the surface of a piece, enhancing its appearance and providing protection. Glazing can turn a simple clay object into a work of art, and there are myriad ways to apply glaze to achieve different effects. This article will explore some of the most common techniques, including dipping, brushing, and more creative methods like wax resist and glaze scraping.

Common Glazing Techniques

Dipping

Dipping is the most widely used method among potters. This technique involves completely submerging the pottery piece in a liquid glaze. It is efficient and ensures even coverage, making it suitable for large pieces or those with complex designs. Dipping provides a smooth and consistent finish, which is ideal for functional pieces like plates, cups, and bowls.

It is important to note that when making functional pieces, a clear glaze should be applied over underglaze. Underglaze is a type of glaze that is applied before the final glaze to create decorative patterns or designs. The clear glaze over the underglaze will provide durable protection, ensuring the functional nature of the piece is maintained.

Brushing

Brushing is another straightforward method. It involves using a brush to apply the glaze to the pottery piece. This technique is flexible and allows for more detailed patterns and designs to be applied. Brushing can be used for smaller, intricate pieces or areas that require a more hands-on approach. While brushing, it is essential to ensure optimal coverage and evenness to avoid marks or imperfections.

Spraying and Stippling

For a more modern and intricate look, spraying and stippling techniques can be employed. Spraying involves using a spray gun to apply the glaze, allowing for a more fluid and painterly effect. Stippling, on the other hand, involves dotting glaze onto the pottery using a pick or brush, creating a textural and artistic finish. These techniques are particularly popular for adding visual interest and depth to the pottery surface.

Creative Glazing Methods

Wax Resist

A fascinating method to explore is the wax resist technique. This involves painting wax onto the pottery piece to create a resist. Once the wax is dried, the piece is dipped into the glaze; the wax acts as a barrier, allowing the glaze to sit on top of the waxed areas. This method results in intricate patterns and designs. Wax resist can be used for both decorative and functional pieces, depending on the overall aesthetic you wish to achieve.

Glaze Scraping

An interesting way to create patterns on the pottery is by scraping away glaze. This technique involves applying glaze to the surface and then using a tool to scrape off portions, revealing the clay beneath. This method can be used to create designs that mimic various patterns, such as leaves, waves, or geometric shapes. It is a fun and experimental approach that enhances the creative possibilities in pottery making.

Crushed Glass

For a unique and eye-catching look, consider incorporating crushed glass into your pottery. Place the crushed glass at the bottom of the pottery piece and then apply a glaze over it. This method creates a shimmering and visually appealing effect. However, it is important to note that this technique is not food-safe and is best used for non-functional pieces. Cautiously consider the potential of the glass to impact the stability of the pottery.

Colorant Sprinkling

For a spontaneous and artistic touch, try sprinkling colorants onto a freshly glazed, still-wet surface. This technique can create a disordered and organic pattern. It is essential to be cautious with the amount of colorant, as some colorants can act as fluxes, altering the glaze's stability. Cobalt carbonate, for example, can destabilize the glaze, making it not food-safe. Always wear protective gear, such as gloves and respirators, when handling and working with colorants, especially powdered heavy metals like cobalt and manganese. Ensure thorough cleanup after working with these materials to maintain a safe working environment.

Conclusion

Exploring different glazing techniques can significantly expand your pottery-making skills and the range of pieces you can create. Whether you prefer the tube and direct precision of dipping and brushing or the artistic freedom of spraying, scraping, and resist techniques, there are numerous approaches to perfect your craft. Embrace the creative process, experiment with different methods, and enjoy the delightful transformation that each glazing technique brings to your pottery creations.

Remember: Always wear protective gloves and safety glasses when working with glazes, as some glazes contain chemicals that can be harmful if absorbed through the skin. Consult safety guidelines, and consider using a fume hood when working with volatile or hazardous materials.