Microbial growth resistance

The requirement

The publisher’s words are shown on request, below the limits.

The publisher’s words

How it is proven

Evidence required

In an accelerated weathering test carried out according to Appendix D, the assessment of the resistance of the system based on the described assessment criteria over a test period of 100 days must not exceed the stated limits (W3 and A2). A test report shall be submitted with the application. The accelerated weathering test according to Appendix D must be carried out by a testing institution that fulfils the requirements for the competence of testing and calibration laboratories according to DIN EN ISO/IEC 17025. Alternatively, manufacturers can use already completed and sufficiently documented natural weathering tests outside (see Appendix D), correspondingly documented, tried-and-tested, rep- resentative buildings (see Appendix D) and other accelerated tests or processes for assessing the resistance to microbial growth. In order to guarantee that the evaluation of the alternative verif

Who checks it

Independent body verifies — a certifier, auditor or verifier with no stake

How Klar Cite classifies it

Klar Cite’s reading of the clause, not the scheme’s own claim.

What it asks

Meet — a limit, condition or outcome the product must satisfy

Standing

Required — must be met for the credential

Other clauses in this standard