How do I mosaic an outdoor mosaic such as a patio floor, fountain or birdbath?
For the most part, our mosaic instructions are written for making indoor mosaics with small details. This is why we recommend the “glue-then-grout” method using Weldbond glue, a water-based adhesive with no fumes. With proper grouting and sealing, these indoor mosaics should last for generations, if not thousands of years. However, mosaics for outdoor walls, patios, fountains, birdbaths and pools are more vulnerable to moisture penetration, especially over time, and Weldbond should be avoided. While a solvent-based glue such as Liquid Nails can be used for mosaics on outdoor walls, it is probably best to avoid glues altogether and use thinset bonding mortar to attach the tiles, especially if the mosaic is in a pool, patio or fountain. Thinset bonding mortars are a cement product. Currently, we are using the Versabond brand of thinset bonding mortar for outdoor mosaics. This thinset or another brand should be available at most any building material store. Whether or not thinset mortar i
