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.
Astraseal Trade: This is a supply only service working with installers and builders across the
UK. As an Astraseal trade customer you benefit from a wide product choice and the backing of a supplier
committed to helping you grow your business.
Astraseal Commercial: We have an exemplary completion record, installing over 80,000 products
per year, meaning you can be confident your project is in safe hands.
Windor: This is our window, door and conservatory brand aimed at the retail home improvement
market. Windor carries out installations in, Milton Keynes, Bucks, Beds, Oxfordshire. Visit one of our beautiful
showrooms to get inspiration for your home improvement project!
All our products are manufactured from three state-of-the-art manufacturing facilities in Wellingborough and
carry full industry accreditation.