prBAS CEN/TS 17986:2025

Flexible sheets for waterproofing - Extrapolation rules for testing results on resistance to root penetration

General information

Status:Project

Number of pages:10

Adoption method:Proglašavanje

Language:engleski

Edition:1.

Realization date:20.11.2024

Forseen date for next stage code:31.01.2025

Technical committee:BAS/TC 36, Architectural constructions, technology and construction management and building physics

Directives:

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

ICS:

91.100.50, Binders. Sealing materials

Abstract

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.

Lifecycle

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Original document and degree of correspondence

CEN/TS 17986:2023, identical

Work material

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