The products covered by the certification program are:
- Chimney Lining hardness processes
- Insulated flexible metallic chimney
- Aeraulic networks with joints: systems intended for the construction of new circular metallic aeraulic networks with joints
- Aeraulic networks: Flexible ducts.
A "certified characteristic" refers to any technical characteristic whose content is controlled within the framework of the QB brand. The certified characteristics are as follows:
- LINING PROCESSES FOR THE RENOVATION OF EXISTING INDIVIDUAL DUCTS
- Temperature class
- Air tightness class
- Corrosion resistance for classes 1 and 2
- INSULATED FLEXIBLE METALLIC LININGS
- Temperature class
- Air tightness class
- Mechanical characteristics
- AERAULIC NETWORKS WITH JOINTS
- Air tightness class of the network
- AERAULIC NETWORKS: FLEXIBLE DUCTS