BBA The British
Board of Agrement (BBA) is the authority in control of the certification
& maintenance of standards for products used throughout the building
& construction industries. BBA certification indicates the suitability
& quality of components, materials or fabrications within a given
life expectancy. The assessment ensures that a PVCu window system is made
to designated high standards, using quality components & to an approved
production method. The resulting system is laboratory tested for strength & colour fastness to a stringent British Standard.
Web Address: http://www.bbacerts.co.uk/