Doors & windows

BSI Product Services provides a complete testing and certification service for doors and windows. We offer the prestigious and widely specified Kitemark® for a full range of materials including aluminium, steel, timber and PVC-U. We also provide a range of services in support of CE marking.

Our modern test facilities enable assessment of these products to both British and European test methods. These services are UKAS accredited and include a modern, computer operated weathertightness test facility. We are also leaders in the assessment of security and offer the Kitemark® against BS 7950 and PAS 024.

Our test engineers are able to work with clients through a series of research and development programs as well as conducting full product assessments.

Our full testing and assessment service offers Kitemark® certification for the following products

We offer testing of the following characteristics

  • Weathertightness
  • Impact strength
  • Durability
  • Security

If you would like to see a list of Kitemark® Licence holders, please see the Directory of Kitemark® Licensees.

We also run a Kitemark® Scheme for window installers.


For further information about schemes for doors and windows, please Contact Us