Chinas Sichuan Black Sandstone can generally be used for exterior applications in windy climates. However, there are several factors to consider before making a final decision:

1. Durability: Sichuan Black Sandstone is known for its durability and weather-resistant properties. It can withstand various environmental conditions, including wind, rain, and snow. However, its crucial to ensure that the specific type and quality of sandstone you choose are suitable for exterior applications.

2. Maintenance: Like any natural stone material, Sichuan Black Sandstone requires periodic maintenance to preserve its appearance and longevity. This includes regular cleaning, sealing, and occasional repairs. In windy climates, airborne debris and particles carried by the wind can affect the stones surface. Proper cleaning and maintenance can minimize any potential damage.

3. Installation: Proper installation techniques are essential, especially in windy environments. It is crucial to ensure that the sandstone is installed securely and with appropriate fasteners that can withstand strong winds. Engaging professional installers experienced in exterior projects can help ensure a robust and reliable installation.

4. Sealing: Applying a high-quality sealer to the Sichuan Black Sandstone can enhance its resistance to wind and other environmental factors. Sealing helps prevent the absorption of moisture, reduces the risk of cracking or erosion, and improves the overall durability of the stone.

Always consult with professionals, such as architects, stonemasons, or contractors, who have experience working with Sichuan Black Sandstone or similar materials in windy climates. They can provide specific recommendations based on the specific conditions and requirements of your project.