BSI has released BS 8214:2026 Fire-resisting and smoke control doors – Practical considerations concerning specification, design and performance in use – Code of practice
The new standard, published on 20 March 2026, replaces BS 8214:2016, which has now been withdrawn and represents a substantial update to the long-standing fire door standard, marking “an important step forward in fire door guidance.”
Unlike its predecessor, which focused predominantly on timber-based assemblies, the revised document expands its remit significantly. It now “covers fire doors as a coordinated complete system however they are supplied to site, whether this is as door assemblies, doorsets or door kits.” Crucially, it no longer limits itself to timber constructions but instead “covers fire doors of many materials, including timber, steel, glazed metal, and composite designs.”
This broadening of scope reflects the diversity of fire door solutions now used across the UK’s construction and refurbishment sectors. According to the revised guidance, BS 8214:2026 provides recommendations for “pedestrian fire-resisting and smoke control doors of all types and materials – including timber, metal, aluminium, and composite doors.”
A key development in the 2026 edition is its extension into areas previously lacking structured industry guidance. As the document notes, it “addresses the lack of a code of practice for metal and composite fire doors, providing new guidance for installation, maintenance and manufacture.”
The revision also responds to extensive feedback received in recent years, as it “responds to feedback from industry associations, certification bodies, and regulatory authorities,” ensuring the guidance is aligned with modern practice and regulatory requirements.
One of the major philosophical changes is the move away from prescriptive construction details in favour of a clearer focus on verification. The standard “has been revised to be less prescriptive in relation to certain performance characteristics and on-site operations and instead now focuses on informing the user as to what supporting evidence… is needed for any fire door construction within scope.”
This approach is particularly reflected in updated guidance on smoke control. Previous versions included construction recommendations that were “difficult to achieve,” but these have now been replaced with clearer advice, including “more information on the use of seals” and alignment with changes to BS 9991.
BS 8214:2026 introduces clearer explanations of door classifications and performance evidence, supported by technical updates across several key areas. Notably, Section 9.4 has been strengthened to “prevent misinterpretation and non-compliant installations,” addressing a recurring industry concern.
Other updates include “improved guidance on sealing the interface between fire door frames and the surrounding structure,” with detailed recommendations on acceptable materials such as stone wool, mastic, and foam sealants.
Reflecting the changing regulatory landscape, the new edition “aligns with current UK regulatory requirements, including UKCA and CE marking, and reflects duties introduced through the Building Safety Act, the Fire Safety Act, and associated legislation.”
BSI emphasises that fire doors remain critical to life safety, noting they “work in combination with other construction elements to protect escape routes and control fire and smoke spread.” The revised standard seeks to ensure they are “specified, installed, and maintained according to best practice, reducing risk and increasing trust.”
Details of BS 8214:2026 can be found here.