Creating porcelain sculptures with water-resistant properties requires careful attention to materials, techniques, and finishing processes. The first consideration is selecting high-quality porcelain clay, which inherently has low porosity. However, to enhance water resistance, artists must focus on proper glazing. A well-applied glaze acts as a protective barrier, preventing water absorption. The choice of glaze is critical; opt for commercial glazes specifically formulated for waterproofing or experiment with recipes containing silica and alumina.

Firing temperature plays a pivotal role in achieving water resistance. Porcelain typically requires high-temperature firing (around 1,300°C or 2,372°F) to vitrify the clay, making it less porous. Consistent kiln temperature control ensures even vitrification and glaze maturation. Additionally, multiple firings may be necessary to build up glaze layers without cracking.

Surface treatment is another key factor. Smooth, polished surfaces reduce areas where water can accumulate. For textured pieces, ensure glaze fully covers crevices. Post-firing treatments like wax or resin coatings can add extra protection for outdoor installations.

Finally, consider the sculpture's design. Avoid thin, protruding elements that may chip and compromise water resistance. By mastering these techniques, artists can create stunning, durable porcelain sculptures capable of withstanding moisture-rich environments.