NBN EN 13069:2005

This European standard specifies the performance requirements for factory-made clay/ceramic chimney outer wall elements used to form the outer walls of chimneys and which are used in combination with flue liners in site. It applies to clay/ceramic chimney outer wall elements with solid walls or walls with vertical perforations (see Figure 1) which have square, rectangular or circular passages. Testing, making and inspection requirements are covered by this standard.