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dnaSRPS CEN/TS 17986:2023
Flexible sheets for waterproofing - Extrapolation rules for testing results on resistance to root penetration
Scope
Experience with testing in accordance with EN 13948 has shown that flexible sheets for waterproofing with different thicknesses, different colours, different formulations, different surface finishing, and different internal fabrics, amongst others, have passed the test successfully.
This document expresses the extrapolation rules of the results of root resistance testing in accordance with EN 13948 for roof waterproofing sheets manufactured in accordance with EN 13707:2004+A2:2009, and EN 13956:2012.
Experience with testing in accordance to EN 13948 has shown that the main critical points are represented by the joints. If joints are done in a proper way, it will avoid the penetration of roots during the test.
Related directives
Directives related to this standard.
305/2011
Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
Life cycle
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dnaSRPS CEN/TS 17986:2023
50.60
Close of voting. Proof returned by secretariat
Sep 7, 2023