Astraseal

Welcome to the Astraseal website; home to one of the most prominent PVC-u and aluminium window, door and conservatory manufacturers and installers in the UK. Visit the site relevant to your needs and learn more about our company, products and services and how we can be of service to you. Established in 1979, Astraseal is one of the UK's largest PVC-u and aluminium window, door and conservatory manufacturers UK. We operate under three brands - Astraseal Trade; Astraseal Commercial and Windor - each serving a different client base.