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Having an effect, white on the balcony will accelerate the yellowing. The other colors are not very impressive, so they generally recommend gold. Look at your needs. If it was done elsewhere, the balcony did it by the way, and it wasn't much. After all, it can prevent the brick joints from blackening.
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Generally, it doesn't have any effect, just do it if it's good-looking, and it's not too expensive anyway.
You can use a high-quality grout, or you can use a neutral structural adhesive to close the gaps in the tiles.
OK. OLY is used for the beautification and repair of tiles, mosaics, stones and other gaps and corners; Kitchen and bathroom, ceiling, wallpaper, doors and windows and other building materials for corner decoration. >>>More
Is it necessary to seam tiles?
Tile seams are necessary. >>>More
If you have the conditions, you can still use it, after using it to prevent the brick joints from mildew and blackening, and the overall visual effect is good. I use CIKE sewing agent at home, and the sewing agent for brick joints has a ceramic-like texture, with beautiful colors and a dazzling appearance, smooth surface, and good hygiene.
Tile joints can effectively solve the problems of blackening, falling off, and peculiar smell between the gaps of ceramic tiles. >>>More