Royal Diadem Aluminium and Glass Worlld remain the trusted company to fix it all. We are experts in aluminium extrusions so that when the need arises we punch and cut the frame work and assemble the units for proper installation to enable us to complete your project. When working in an installation our experts always arrive early with fully equipped materials, the right parts in the right sizes, and with the necessary tools and materials they require to complete the assignment. We work with minimum disruption of your job, and when we finished installing we take away all the particles, parts that were replaced and we leave the serviced area clean, we are the leading windows, the leading materials, the leading fits, the leading installation techniques. We first come to the site to get the exact sized measurements of the windows best suited for your needs, we maintain an extensive inventory of each brands styles and features.