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prEN 1931

Flexible sheets for waterproofing - Bitumen, plastic and rubber sheets for roof waterproofing - Determination of water vapour transmission properties

Draft Public enquiry
Comment end date 2026-11-01
Export comments Read draft and comment

Project stage codes

1. Prioritetinių darbo temų pažymėjimas ir ekspertų skyrimas
2. Projektas
3. Viešoji apklausa
From 2026-08-27 till 2026-11-01
4. Closure of enquiry
5. Submission to Formal Vote

Organisation

CEN Europos standartizacijos komitetas

ICS

91.100.50 - Binders. Sealing materials

Technical Committee

TK 46 Roofs and building waterproof isolation

ForeignTC'S

CEN/TC 254

Number of comments

0

Comment start date

2026-08-27

Scope

This document specifies a method for the determination of the water vapour transmission properties of waterproofing sheets. It is applicable to factory made bitumen, plastic and rubber sheets for roof waterproofing, damp proof sheets, damp proof courses, underlays and vapour control layers.