Our expertise doesn't stop with the manufacturing process though, Astraseal employ 12 professionally trained surveyors who will ensure that any product, which is to be installed into your home, fits perfectly taking into consideration any external and internal features As we manufacture every product in house you don't have to stick with the norm for your frames and glass, you can mix and match products if you wish, pictured here is a conservatory manufactured from vertical Sliding Sash windows for a more classic look All of our sealed units are manufactured in house and the addition of our toughening plant puts us one step ahead of the competition