Our Tile Refill Agent contains epoxy resin and curing agent. It can repair the cracks in the tile, firmly waterproof, do not fall off, waterproof and mildew, and make the repaired place look new. Its use is very simple: first clean the gaps in the tile or wall, fill the gaps evenly with this product, and then scrape off the excess product with a scraper. After the use of cracks firmly solidified, can effectively prevent the appearance of mold spots.