The Knight Collection - Technical

Authentic Construction

Manufactured with a timber core our sash windows have the majority of the features found on original sash windows from yesteryear including a thin top and mid rail, deep bottom rail, mechanical joints, authentic putty and glass lines as well as various astral and Georgian bars available.


Our Alu-clad sash windows are manufactured with a spring balanced mechanism giving the look and feel of traditional box weighted sash windows however saving on space. This design allows us for more space for the two sliding sash windows which in turn enables us to support thicker glazing up to 36mm. This means that we can now support triple glazing in our aluminium clad sash windows enhancing the overall U value of the windows. We also have a range of other possible glazing options such as standard argon filled double glazing and ultra this Krypton filled double glazing units to give the look of single glazing with the energy efficiency of double glazing.


All of our windows the The Knight Collection are manufactured in a state of the art manufacturing plant ensuring all of our windows are manufactured efficiently to a high standard ensuring a cost effective high end product to the user.