Standards & Testing
Windows
BS: 7950: 1997. Specification for enhanced security performance of casements, tilt/turn windows for domestic applications.
BS 7950 must be supported by performance standards relevant to the materials used:
- BS 4873: 1986 Specification for aluminium windows.
- BS 7412:1991 Specification for plastic windows made from PVC-U extruded hollow profiles.
- BS 644-1: 1989 Wood windows. Specification for factory assembled windows - various types.
- BWF:TWAS Timber window accreditation scheme.
- BS 6510: 1984 Specification for steel windows, sills, window boards & doors.
LPS 1175: Issue 5.1, 2004 Specification for testing and classifying the burglary resistance of building components, strong-points and security enclosures. This includes windows for higher risk premises and is graded levels 1 to 6.
LPS 1270 (Draft) Specification for testing and classifying the burglary resistance of security glazing and glazing films. Based on LPS 1175 this standard enables specifiers to select glazing films that offer resistance to manual attack equivalent to the building products in which the glass or film is to be used.
