Sliding UPVC profiles are commonly used in the construction industry for doors and windows. UPVC (unplasticized polyvinyl chloride) is a type of plastic material known for its durability, energy efficiency, and low maintenance. Sliding UPVC profiles are designed to create sliding doors and windows that offer good insulation, weather resistance, and ease of operation. They come in various designs and sizes to suit different architectural styles and preferences. If you have specific questions about sliding UPVC profiles or need more information, feel free to ask.