Correct design is the key to prevent stone pollution

Preventing stone pollution is always more effective than cleaning, and long-term maintenance is far better than sudden, intensive cleaning. Proper design, material selection, careful construction, and consistent maintenance can significantly reduce and prevent soil contamination. The key to effective stone protection lies in making the right choices from the beginning.

When working with sandstone products, special attention should be given to areas that are prone to staining. For example, flat surfaces, externally inclined wall caps, and parts where water may flow into narrow spaces are particularly vulnerable. Water passing through concrete, glass, or other materials before reaching the sandstone surface can lead to serious staining. In such cases, it's important to use compatible materials that match the stone’s properties. For instance, when sandstone is used as a wall lining, extra care must be taken around elevator entrances, switch panels, and furniture to avoid damage from spills or abrasion. Materials that don’t work well together can cause discoloration, like oil leaks from vehicles or permeable mortar on walkways that turn black over time. Even improper cleaning methods can leave unsightly stains behind.

Proper handling during transportation, storage, and installation is equally crucial. Thin sandstone panels are delicate and can easily get stained by substances like mortar, paint, protective coatings, rust from scaffolding, or even motor oil. It’s important to be vigilant about these types of stains and address them promptly.

From the moment the stone is stored until the project is complete, it should be covered with plastic sheets or anti-staining cloths to protect it from dust, moisture, and accidental contact. Understanding that pollution can occur both internally and externally throughout the stone’s lifespan is essential. The goal is to minimize exposure to contaminants and regularly remove dirt when necessary. In heavily soiled areas, appropriate cleaners and paints should be used to safely clean the surface. However, cleaning should be done carefully—over-cleaning can harm the stone or the environment, and it should always be cost-effective. To ensure the best results, it’s important to consider several factors: where and how cleaning can be done conveniently, how much damage could occur during the process, the level of soiling, and whether cleaning is actually needed. Source: Medium

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