What are the possible causes of the odor in interior wall tiles? Why do interior wall tiles have a s

Mar 13, 2026 PipesB2B Marketplace
One. What are the reasons for the musty smell in interior wall bricks?1、Construction issues① Contamination from dirty water soaking into bricksGenerally, before applying interior wall tiles, it is necessary to soak the tiles. If the tiles are not properly

One. What are the reasons for the musty smell in interior wall bricks?

1、Construction issues

① Contamination from dirty water soaking into bricks

Generally, before applying interior wall tiles, it is necessary to soak the tiles. If the tiles are not properly soaked or if contaminated water is absorbed into the tiles, the resulting odor may occur during the drying and evaporation process after tile installation.

② During application, the substrate absorbs contaminated mortar.

When applying ceramic tiles on the wall, if the substrate is contaminated with dirty water and mortar, and the water evaporates over time, it can cause unpleasant odors to emanate.

③ Issues with grout lines in tiled walls

Cracks between wall tiles are often overlooked. After laying interior wall tiles, many people simply fill the cracks with ordinary cement. Some even skip this step entirely. Because ordinary cement has poor water resistance, it can lead to mold growth in the tile gaps, resulting in unpleasant odors. Furthermore, if the gaps are not filled, dirt and debris can accumulate in the cracks, which can then harbor bacteria and cause odors.

2、Material Issues

① Poor adhesive quality

To enhance bonding strength, some workers add polymeric bonding agents to the mortar. These agents release small amounts of hydrogen sulfide, which can produce an odor.

② The quality of the internal wall bricks themselves is poor.

The unpleasant odor may also be caused by sulfurous compounds released from the wall tiles themselves. Inferior tiles often release hydrogen sulfide, sulfur dioxide, and other sulfur compounds during the manufacturing process. These gases are trapped within the pores of the tiles and can release a fishy odor when exposed to water.

3. Other issues

① Interior wall brick has voids.

If air pockets appear during the tiling of walls, water can penetrate from the grout joints and accumulate beneath the tiles. Because the wall has been waterproofed, the water that penetrates will accumulate beneath the tiles. If this water remains undrained for a long time, it will become stagnant, leading to the formation of odors and unpleasant smells.

② Issue with the cloth

Some odors emanating from tiled walls after cleaning are a result of microbial and bacterial growth. This occurs when cleaning cloths are not dried properly and remain in a damp environment, leading to unpleasant smells. Using these cloths to clean tiled walls can cause them to emit foul odors.

II. How to Remove Odor from Wall Tiles

1. Wipe with lemon-based cleaner

To quickly remove odors from remaining tiles on the wall, dampen a cotton ball with lemon acid and then wipe the inner wall tiles.

2、Eliminate odor from fruit

Utilizing fruits to eliminate odors on interior walls and bricks is a cost-effective and simple method. More importantly, it is highly effective and provides excellent results. This makes it a natural and practical "air purifier." Fruits such as orange peels, lemon peels, and loquats can be used to remove odors from interior brick walls.

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