![old-window-putty](https://surreysashwindowspecialist.co.uk/wp-content/uploads/2023/02/old-window-putty.jpeg)
Our blog
Glazing
Older wooden sash windows have little or no insulation as they are all traditionally single-glazed and do not have any draught-proofing.
The knowledge base will cover topics such as solar control glass, acoustic glass, toughened glass and vacuum-sealed double glazing. We will compare different glazing options, brands and products.