Grout is a popular detail in interior design, not only for its ability to resist dirt, mold, and bacteria but also for its ability to enhance decorative effects when coordinated with tiling. However, many people encounter a common problem: shortly after moving in, the grout starts to turn black. So what exactly is happening? Let's find out together.
I. Grout after tiling
Once the tiles have been laid, it's important to let them air out for a few days to allow the adhesive to dry thoroughly before grouting. Direct application of grout without this waiting period can result in poor adhesion between the tiles and cement, leading to future problems such as voids. Ready grout can also deform as the tile is hollowed out and the desired grouting effect may not be achieved. It's therefore essential to wait until the tiles are securely bonded (usually 2-3 days) before proceeding with tile grouting.
II. A clean building environment
The renovation process generates a considerable amount of dust and dirt which, if mixed with grout during application, can cause problems such as yellowing and blackening. Therefore, before starting the grouting work, thoroughly clean the building environment, especially the tile joints. Using a vacuum cleaner is the best way to ensure complete removal of dust from the floor.
III. Keep tiles dry
Before starting the grouting work, make sure that the tiles are in a dry condition. Grouting in damp conditions can cause moisture to penetrate the grout, altering its curing state and resulting in significant color differences from the tiles. Grout normally takes approximately two days to fully cure. Once grouting is complete, protect the site and avoid unnecessary foot traffic or water spillage on the floor to prevent any effect on the grout curing.
IV. Choosing a high-quality grout
In an attempt to save money, some people may opt for cheap and inferior grout. However, the effectiveness of such groups is inferior and will lead to various problems soon after application. It is therefore important to pay attention to the quality of the product when buying grout and to avoid compromising on quality for the sake of saving money.
By paying attention to these important aspects during the application of the grout, you will be able to prevent the grout from turning black. Following the correct construction process and choosing high-quality materials will ensure a long-lasting and aesthetically pleasing tile grout effect".
