BS 8414-1:2020
BS 8414-1:2020 - TC Fire performance of external cladding systems - Test method for non-loadbearing external cladding systems fixed to, and supported by, a masonry substrate. the latest update 2020, replaces the previous
BS 8414-1:2015 Fire performance of external cladding systems. Test method for non-loadbearing external cladding systems applied to the masonry face of a building published in 2015, was withdrawn in Apr 2015 and amended by BS 8414-1:2015+A1:2017 in June 2017. It can be used to test rainscreen cladding and external wall insulation systems.
BS 8414-2:2015 Fire performance of external cladding systems. Test method for non-loadbearing external cladding systems fixed to and supported by a structural steel frame was published in 2015, then amended in 2017 by BS 8414-2:2015+A1:2017. 2017 and withdrawn in April 2020.
The British Standards Institution (BSI) is the UK National Standards Body (NSB). It publishes standards and provides a range of books, self-assessment tools, conferences and training services. It also represents UK economic and social interests in European and international standards organisations. British Standard (BS) publications are technical specifications or practices that can be used as guidance for the production of a product, carrying out a process or providing a service.
see also BS 8414 Fire performance of external cladding systems
[edit] Related articles on Designing Buildings
- Automatic fire detection and alarm systems, an introductory guide to components and systems BR 510.
- ACM cladding.
- BR135: Annex B. Performance criteria and classification method for BS 8414-2:2005.
- BS 5839-1.
- BS 9999: Code of practice for fire safety in the design, management and use of buildings.
- Building Research Establishment.
- Celotex RS5000 PIR insulation.
- Cladding for buildings.
- Consultation opens for code of practice for fire risk appraisal and assessment of external wall construction.
- Desktop study.
- EWS1 forms not required for buildings without cladding.
- External fire spread, Supplementary guidance to BR 187 incorporating probabilistic and time-based approaches.
- External wall insulation.
- Fire at the Cube, Bolton.
- Fire performance of external thermal insulation for walls of multistorey buildings, third edition (BR 135).
- Fire safety design.
- Grenfell Tower fire.
- The Regulatory Reform (Fire Safety) Order 2005.
- Understanding the factors affecting flashover of a fire in modern buildings.
Featured articles and news
Reslating an ancient water mill
A rare opportunity to record, study and repair early vernacular roofs.
CIOB Apprentice of the Year 2025/26
Construction apprentice from Lincoln Mia Owen wins this years title.
Insulation solutions with less waste for a circular economy
Rob Firman, Technical and Specification Manager, Polyfoam XPS explains.
Recycled waste plastic in construction
Hierarchy, prevention to disposal, plastic types and approaches.
UK Net Zero Carbon Buildings Standard V1 published
Free-to-access technical standard to enable robust proof of a decarbonising built environment.
Prostate Cancer Awareness Month
Why talking about prostate cancer matters in construction.
The Architectural Technology podcast: Where it's AT
Catch up for free, subscribe and share with your network.
The Association of Consultant Architects recap
A reintroduction and recap of ACA President; Patrick Inglis' Autumn update.
The Home Energy Model and its wrappers
From SAP to HEM, EPC for MEES and FHS assessment wrappers.
Future Homes Standard Essentials launched
Future Homes Hub launches new campaign to help sector prepare for the implementation of new building standards.
Building Safety recap February, 2026
Our regular run-down of key building safety related events of the month.
Planning reform: draft NPPF and industry responses.
Last chance to comment on proposed changes to the NPPF.
A Regency palace of colour and sensation. Book review.


















