British Standards Institution

Sector: Construction

Overview: Under the direction of the Standards Policy and Strategy Committee, is responsible for the UK input to CEN/TC 254 and CEN/TC 361 and the preparation, revision and amendment of British Standards, dealing in particular with BS 6229 & BS 8747

Committee standards activity

In Progress (24)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
Draft decision 626 - NWI for revision of EN 1931	'Flexible sheets for waterproofing - Bitumen, plastic and rubber sheets for roof waterproofing - Determination of water vapour transmission properties' Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Construction materials \| Binders. Sealing materials Proposal begins : 2023-06-28	Proposal
Draft dec 616 for activation of PWI 00254188	for CEN/TS on extrapolation rules for testing results on resistance to root penetration (WG 16) Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Building elements \| Roofs \| Waterproofing Proposal begins : 2022-09-25	Proposal
dec 617 for NWI for EN on recycling (plastic sheets, SC 2)	dec 617 CIB-NWI for deliverable M584 - EN on recycling of plastic waterproofing sheets (SC2) Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Waterproofing Proposal begins : 2023-01-06	Proposal
CEN/TC 254 N2015 Draft decision 608 - NWI Mounting Fixing Fire (WG 9)	Flexible sheets for waterproofing — Underlays for discontinuous roof coverings and walls — Instructions for mounting and fixing for reaction to fire testing Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Building protection \| Waterproofing Proposal begins : 2021-10-18	Proposal
CEN/TC 254 N2014 Draft decision 607 - NWI Artificial Ageing (WG 9)	Flexible sheets for waterproofing — Underlays for discontinuous roof coverings — Artificial ageing procedure Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Building protection \| Waterproofing Proposal begins : 2021-10-18	Proposal
CEN/TC 254 N1995 Draft decision 611 - NWI revision of EN 13416 (WG 1)	Flexible sheets for waterproofing —Bitumen, plastic and rubber sheets for roof waterproofing —Rules for sampling Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Building protection \| Waterproofing Proposal begins : 2021-10-18	Proposal
CEN/TC 254 N1732 Draft decision 610 - NWI EPD-PCR part 2 (WG 15)	Flexible sheets for waterproofing — Environmental product declarations - Product Category Rules for bituminous and synthetic flexible sheets — Part 2: Cradle to gate with options Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Building protection \| Waterproofing Proposal begins : 2021-10-18	Proposal
CEN/TC 254 N1731 Draft decision 609 - NWI EPD-PCR part 1 (WG 15)	Flexible sheets for waterproofing — Environmental product declaration -Product Category Rules for bituminous and synthetic flexible sheets for (roof) waterproofing — Part 1: Cradle to grave Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Roofs \| Building protection \| Waterproofing Proposal begins : 2021-10-18	Proposal
CEN/TC 254 N 1968,	NWIP for TS on Design concept guideline for mechanically fastened roof waterproofing systems Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Binders. Sealing materials \| Building protection \| Waterproofing Proposal begins : 2020-10-07	Proposal
CEN/TC 254 Draft decision 613 - NWI for CEN/TS 17048 (WG 6)	‘Flexible sheets for waterproofing - Plastic and rubber sheets for waterproofing of concrete bridge decks and other trafficked areas of concrete - Definitions and characteristics’ Categories: Information management \| Standardization. General rules \| Construction \| Construction materials and building \| Building protection \| Waterproofing Proposal begins : 2021-10-18	Proposal

Published (77)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD CEN/TS 17986:2023	Flexible sheets for waterproofing. Extrapolation rules for testing results on resistance to root penetration Categories: Binders. Sealing materials Published standard begins : 2023-11-13	Published standard
PD CEN/TS 17659:2021	Design guideline for mechanically fastened roof waterproofing systems Categories: Binders. Sealing materials Published standard begins : 2021-11-23	Published standard
PD CEN/TS 17048:2024	Flexible sheets for waterproofing. Plastic and rubber sheets for waterproofing of concrete bridge decks and other trafficked areas of concrete. Definitions and characteristics Categories: Binders. Sealing materials Published standard begins : 2024-01-25	Published standard
PD CEN/TR 16625:2013	Flexible sheets for waterproofing. Statistical definition of manufacturer's limiting value and declared value (MLV and MDV). 95 % Statistic Categories: Binders. Sealing materials Published standard begins : 2013-12-06	Published standard
BS EN 495-5:2013	Flexible sheets for waterproofing. Determination of foldability at low temperature. Plastic and rubber sheets for roof waterproofing Categories: Binders. Sealing materials Published standard begins : 2013-06-06	Published standard
BS EN 1931:2000	Flexible sheets for waterproofing. Bitumen, plastic and rubber sheets for roof waterproofing. Determination of water vapour transmission properties Categories: Waxes, bituminous materials and other petroleum products \| Films and sheets \| Binders. Sealing materials Published standard begins : 2000-08-16	Published standard
BS EN 1928:2000	Flexible sheets for waterproofing. Bitumen, plastic and rubber sheets for roof waterproofing. Determination of watertightness Categories: Waxes, bituminous materials and other petroleum products \| Films and sheets \| Binders. Sealing materials Published standard begins : 2000-08-14	Published standard
BS EN 1850-2:2001	Flexible sheets for waterproofing. Determination of visible defects. Plastic and rubber sheets for roof waterproofing Categories: Films and sheets \| Binders. Sealing materials Published standard begins : 2001-06-29	Published standard
BS EN 1850-1:2000	Flexible sheets for waterproofing. Determination of visible defects. Bitumen sheets for roof waterproofing Categories: Binders. Sealing materials Published standard begins : 2000-01-18	Published standard
BS EN 1849-2:2019	Flexible sheets for waterproofing. Determination of thickness and mass per unit area. Plastics and rubber sheets for roof waterproofing Categories: Binders. Sealing materials Published standard begins : 2019-07-19	Published standard

Withdrawn (50)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS EN 495-5:2001	Flexible sheets for waterproofing. Determination of foldability at low temperature. Plastic and rubber sheets for roof waterproofing Categories: Binders. Sealing materials Withdrawn begins : 2013-06-06	Withdrawn
BS EN 1849-2:2009	Flexible sheets for waterproofing. Determination of thickness and mass per unit area. Plastic and rubber sheets Categories: Binders. Sealing materials Withdrawn begins : 2019-07-19	Withdrawn
BS EN 1849-2:2001	Flexible sheets for waterproofing. Determination of thickness and mass per unit area. Plastic and rubber sheets for roof waterproofing Categories: Films and sheets \| Binders. Sealing materials Withdrawn begins : 2010-06-07	Withdrawn
BS EN 1847:2001	Flexible sheets for waterproofing. Plastic and rubber sheets for roof waterproofing. Methods for exposure to liquid chemicals including water Categories: Binders. Sealing materials Withdrawn begins : 2010-04-13	Withdrawn
BS EN 1844:2001	Flexible sheets for waterproofing. Determination of resistance to ozone. Plastic and rubber sheets for roof waterproofing Categories: Binders. Sealing materials Withdrawn begins : 2013-06-06	Withdrawn
BS EN 16002:2018	Flexible sheets for waterproofing. Determination of the resistance to wind load of mechanically fastened flexible sheets for roof waterproofing Categories: Binders. Sealing materials Withdrawn begins : 2021-11-16	Withdrawn
BS EN 16002:2010	Flexible sheets for waterproofing. Determination of the resistance to wind load of mechanically fastened flexible sheets for roof waterproofing Categories: Binders. Sealing materials Withdrawn begins : 2018-12-19	Withdrawn
BS EN 15814:2011+A1:2012	Polymer modified bituminous thick coatings for waterproofing. Definitions and requirements Categories: Binders. Sealing materials Withdrawn begins : 2015-01-26	Withdrawn
BS EN 15814:2011	Polymer modified bituminous thick coatings for waterproofing. Definitions and requirements Categories: Binders. Sealing materials Withdrawn begins : 2013-02-01	Withdrawn
BS EN 14909:2006	Flexible sheets for waterproofing. Plastic and rubber damp proof courses. Definitions and characteristics Categories: Rubber and plastics industries \| Construction materials and building \| Films and sheets \| Binders. Sealing materials Withdrawn begins : 2012-05-24	Withdrawn

Message Committee Become a committee member

Committee members

Nominating organizations

B B A - British Board of Agrement
B R E - Building Research Establishment
British Geomembrane Association
BSI Senior Standards Manager
Chartered Institute of Architectural Technologists
Committee Manager
Flat Roofing Alliance
Green Roofs Organization
Individual Expert - Roof covering Underlays
LRWA Liquid Roofing and Waterproofing Association
Mastic Asphalt Council Ltd
MD Group
MPA Precast
N H B C - National House-Building Council
National Federation of Roofing Contractors
Renamed from 'BSI Senior Standards Manager - Energy'
Royal Institute of British Architects
RP Construction Consultancy Ltd
Scottish Office
Single Ply Roofing Association
Structural Timber Association

Liaisons with other committees

Individual Capacity - Roofing underlays and d.p.c
Individual Capacity – Expert for BS 1521
Individual Capacity – Flat Roofing
Individual capacity – Mechanical fastening systems
Individual Capacity – Waterproofing Integrity Test Association
Liaison - EH/4
UK Expert – CEN/TC 254/WG 16, WG 9 & WG 10

BSI roles

Committee Chair

Standards Development

B/546 - Flexible sheets for waterproofing and water vapour control

Committee standards activity