Yes, Glacier White Sintered Stone can be used outdoors. Sintered stone is a highly durable and low-maintenance material that is suitable for various applications both indoors and outdoors. It is resistant to UV rays, extreme temperatures, moisture, and stains, making it an ideal choice for outdoor spaces such as patios, decks, and facades. However, it is always recommended to consult with a professional or the manufacturer for specific installation guidelines and best practices.