Clestra - Certifications

36 4. ECONOMIC PERFORMANCE CHARGE AND COST OPTIMIZATION 7. The maintenance needs of our partitions are nearly zero. An annual monitoring procedure is proposed in order to check the good performance of the installation over time, and if necessary to carry out repairs whatever the origin (for instance, some deterioration can be caused by mistreatment). The maintenance or servicing procedures do not require the use of aggressive products. Soapy water is sufficient for cleaning. Clestra products have a life cycle well in excess of 50 years and a proven and demonstrated life cycle of more than 50 years (there are existing buildings with the company’s original products dated 1960). This durability reduces the waste generation significantly. » clestra ’ s contribution to this target Term referred to by the applicant: Level E to A HEQ ®