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 (22)

Show entries

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 651 - NWI for revision of EN 16002	'Determination of the resistance to wind load of mechanically fastened flexible sheets for roof waterproofing' Categories: Information management \| Standardization. General rules Proposal begins : 2024-09-09	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

Published (79)

Show entries

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 (52)

Show entries

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 1848-1:2000	Flexible sheets for waterproofing. Determination of length, width and straightness. Bitumen sheets for roof waterproofing Categories: Binders. Sealing materials Withdrawn begins : 2025-06-26	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

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
Laing O'Rourke
LRWA Liquid Roofing and Waterproofing Association
Mastic Asphalt Council Ltd
MD Group
National Federation of Roofing Contractors
Renamed from 'BSI Senior Standards Manager - Energy'
RP Construction Consultancy Ltd
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