I cannot give a definitive answer as I do not have access to the specific details of the location and conditions you are referring to. However, in general, China Aqua Rose Slate is durable and can be used for exterior applications. It is resistant to sun exposure and extreme weather conditions. Nonetheless, it is always recommended to consult with a professional before the installation of any natural stone material to ensure that it meets the requirements of the project and the climate. Additionally, proper sealing, maintenance, and cleaning are essential to maximize the lifespan of the stone and prevent any potential damage.