SLIDING WINDOWS from Pella® of Washington DC From smooth curves to contemporary angles, Pella Windows and Doors Special Shape windows offer seemingly endless design choices and enable you to achieve a distinct look at a competitive rate. Special shape windows are made in curves and angles to increase the architectural interest and natural light in your home. Our windows help you combine different shapes, sizes and styles to create a gorgeous focal point. Special shape windows can be made with grille patterns that match other Pella windows so you’ll have a quality, consistentlook 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 had in mind, please see more about Custom Windows. Pella Windows and Doors can make virtually any window shape or size you desire.Schedule an in-home consultation or visit the showroom in Washington DC to learn more. Schedule Now!