Norways Pillarguri Rust Phyllite can be used for exterior applications in cold climates, including facades, walls, and other exterior cladding. Phyllite is a durable and weather-resistant metamorphic rock that can withstand extreme temperatures and harsh weather conditions. However, it is always recommended to consult with a professional or a local supplier to ensure that the specific variety of Pillarguri Rust Phyllite meets the required standards and is suitable for the intended application in a particular cold climate.