Thinset bonding mortars are a cement product. The tiles, especially if the mosaic is in a pool, patio orįountain. Walls, it is probably best to avoid glues altogether and use thinset bonding mortar to attach While a solvent-based glue such as Liquid Nails can be used for mosaics on outdoor However, mosaics for outdoor walls, patios, fountains,īirdbaths and pools are more vulnerable to moisture penetration, especially over time, and Weldbond should be avoided. Should last for generations, if not thousands of years. With proper grouting and sealing, these indoor mosaics This is why we recommend the “glue-then-grout” method using Weldbond glue,Ī water-based adhesive with no fumes. When I do use glue, it is always Weldbond, which is a white PVA adhesive.įor the most part, our mosaic instructions are written for making indoor mosaics with small details. It never cracks and has polymers added to allow it to flex slightly without cracking. I always use thinset for attaching and grouting. Normal grout gaps of 1/8″ require sanded grout for adequate strength. Unsanded grout should only be used to fill hairline cracks. (Note: use for indoor/non-wet mosaics only.)Ĭabinet grade plywood is best to use in this scenario. Natural wood sometimes splits as it ages. Misting can help, but misting sometimes leaches the color out of the grout. Sometimes bare wood can suck the moisture out of the grout,īut usually there is enough glue on the wood to prevent this. Grout curing is a hydration reaction, not dehydration, and water is being chemically bound. If the grout was allowed to dry out while it was trying to cure.If the backer is thin enough to flex slightly, even a miniscule amount. You should also seal the mosaic with a tileĪnd grout sealer from your local hardware store. For larger quantities check out the local building store. Probably use thinset (a type of sticky cement with polymers added for The surface and press the sheet of mosaic onto the glue or cement.įor an outdoor project or a project subjected to moisture, you should In either case, the next step would be to spread glue or cement on Sparingly with Weldbond), or you can pick up the tiles with clear contact For more complicated designs, you can lay the project up on mesh (by gluing.After the glue cures for 24 hours, grout the mosaic with regular bathroom tile grout.Make sure the gaps between the tiles are about Glue the tiles to the surface one at a time with Weldbond.Lay a few tiles down just to make sure the colors look Decide what size tiles are most appropriate for the level of detail.You can copy one from a coloring book or your favorite pattern of china or Draw a simple “cartoon” (outline) on the surface.Where can I find brightly-colored glazed ceramic tile such as the 4 inch tiles used to tile bathrooms?įor an indoor project not subjected to moisture, it is very simple:.Is it possible to request labeled sheets when I place an order so I can keep a record of the colors I’m using?.I want to copy a painting, and I don’t see the colors I need.It’s hard for me to decide on the colors I’ll need for my project, and I’m worried the colors I see online will not match the exact color of the tiles.How do I choose the right colors for my project?.
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