SLIDING WINDOWS from Pella® of Beltsville From smooth curves to contemporary angles, Pella Windows and Doors Special Shape windows offer virtually endless design choices and help you achieve a distinct look at a competitive cost. Special shape windows are available in curves and angles to strengthen the architectural interest and strengthen the natural light in any room. These windows let you bring together various shapes, sizes and styles to create a unique focal point. Special shape windows can be made with grille types that match our other windows so you’ll have a quality, consistentlook throughout your home. Made in multiple sizes, these factory-assembled window combinations will give youa custom look using standard windows. If you don’t see the shape you had in mind, please take a look at our Custom Windows. Pella Windows and Doors can create virtually any window shape or size you may want.Schedule an in-home consultation or visit the showroom in Beltsville to learn more. Schedule Now!