Square stile refers to the vertical frame or post of a window or door that has a square shape. It is an essential component of the overall structure and design of the window or door. Square stiles provide stability and support, ensuring the durability and longevity of the product. With its clean and straight lines, square stiles offer a contemporary and modern look to any window or door. They provide a sleek and minimalist aesthetic that can complement various architectural styles and interior designs. Square stiles are often made from high-quality materials such as PVC or wood, ensuring both strength and aesthetic appeal. Whether used in residential or commercial settings, square stiles add a touch of elegance and sophistication to any space.