This feature makes them ideal for residential and commercial spaces alike. Variety of Styles and Designs uPVC windows come in various styles, such as casement, sliding, tilt-and-turn, and bay windows. These styles cater to different functional and aesthetic needs, allowing homeowners and architects to choose designs that complement the overall look of a building. The Role of uPVC in Sustainable Construction Sustainability is a growing concern in the construction industry, and  Upvc windows address this need effectively. Introduction to uPVC Windows uPVC windows, crafted from unplasticized polyvinyl chloride, have become a popular choice for homeowners and businesses due to their durability, energy efficiency, and aesthetic appeal.