SLIDING WINDOWS from Pella® of Birmingham From graceful curves to contemporary angles, Pella Windows and Doors Special Shape windows offer seemingly endless design choices and help you achieve a distinct look at a competitive rate. Special shape windows are made in curves and angles to strengthen the architectural interest and strengthen the natural light in any room. Our windows let you put together various shapes, sizes and styles to make a stunning focal point. Special shape windows can be made with grille options that match your other Pella windows so you’ll have a quality, uniformlook throughout your home. Made in a range of sizes, these factory-assembled window combinations will leave you witha custom look using standard windows. If you don’t see the shape you would like, please take a look at our Custom Windows. Pella Windows and Doors can build virtually any window shape or size you need.Schedule an in-home consultation or visit the showroom in Birmingham to learn more. Schedule Now!