Can you use resin over grout?
A: It is possible to regrout using epoxy over cement, but first the existing cement grout needs to be dug out of the joints until it’s half the depth of the tile. This is most easily done with a grout saw or scraper.
Should I seal my mosaic?
Outdoor mosaics should be sealed to protect against staining and freeze damage. There are two types of tile and grout sealers: penetrating pore sealer and coatings that form a membrane on the surface. Penetrating sealers soak into the pores of the grout, stone and ceramic.
What surfaces can you mosaic on?
You can mosaic on flat sheets of window glass, glass table tops or glass items like bowls, votives, plates, etc. You will need to be sure that it is strong enough to hold the weight of the mosaic. Mesh is an ideal surface for making a mosaic in one location and then transporting it to another location for installation.
Can u do mosaic on plastic?
Sturdy, well-built objects made of metal, wood, terra cotta, or concrete work well as base objects for a mosaic. The decorative mosaic pieces will adhere to just about any surface except items made from flimsy plastics that bend and bow.
How long does epoxy grout last?
Yes, epoxy grout is more expensive — as much as $8 per pound, compared with $1 to $2 for cement-based grout — but there is an upside to the cost difference: Powdered Portland cement grouts have a shelf life of only one year, while two-part liquid epoxies, if they are not subjected to freezing temperatures, will last …
How do you seal mosaic coasters?
The coasters may come into contact with liquids so you need to seal them well to avoid any water damage. A mixture of Weldbond adhesive and water can be used as a sealer in a ratio of 1 part Weldbond to 5 parts water, apply between 4-5 coats allowing each coat to dry thoroughly.