BS 7346: Components for Smoke and Heat Control Systems
BS 7346 is the multi-part British Standard covering components for smoke and heat control systems. Learn how it relates to BS EN 12101 and what each part covers.
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Commissioning, CPD training, case studies, technical support and contact details from Vent Trade - UK smoke ventilation specialists since 1988.
BS 8524: Smoke Curtains
BS 8524 is the UK standard family covering active smoke control barrier assemblies: smoke curtains. BS 8524-1 specifies the product; BS 8524-2 is the code of practice for design, installation, commissioning and maintenance. Smoke curtains are not covered by EN 12101-5.
Open PageBS 9991: Fire Safety in Residential Buildings
BS 9991:2024 sets the height thresholds, system requirements, and component specifications for smoke ventilation in residential buildings. Includes the BSR's March 2025 position and June 2025 Corrigendum A1.
Open PageBS 9999: Fire Safety in Non-Residential Buildings
BS 9999:2017 covers fire safety in the design, management and use of non-residential buildings. Understand how it relates to smoke ventilation and BS EN 12101.
Open PageBS EN 12101 and Approved Document B: The UK Regulatory Context
How BS EN 12101 aligns with Approved Document B and the Building Safety Act 2022. Essential reading for UK specifiers, contractors and building control professionals.
Open PageBS EN 12101-10: Smoke and heat control systems. Power supplies
BS EN 12101-10 specifies emergency power supply requirements for smoke control systems. Learn what compliance requires for UK specifiers and M&E contractors.
Open PageBS EN 12101-13: Smoke and heat control systems. Pressure differential systems (PDS). Design and calculation methods, installation, acceptance testing, routine testing and maintenance
BS EN 12101-13:2022 is the system-level standard for Pressure Differential Systems (PDS). It covers design, installation, commissioning, acceptance testing, routine testing and maintenance of installed PDS in buildings: escape stairs, firefighting shafts, lobbies, corridors and refuges.
Open PageBS EN 12101-1: Smoke and heat control systems. Specification for smoke barriers
BS EN 12101-1 specifies requirements for smoke barriers - horizontal and vertical barriers used to contain smoke within defined zones during a fire.
Open PageBS EN 12101-2: Smoke and heat control systems. Specification for natural smoke and heat exhaust ventilators
BS EN 12101-2 covers smoke and heat exhaust ventilators including AOV windows and roof vents. Learn what compliance requires for UK specifiers and contractors.
Open PageBS EN 12101-3: Smoke and heat control systems. Specification for powered smoke and heat exhaust ventilators
BS EN 12101-3 specifies requirements for powered smoke and heat control ventilators (mechanical extract fans) used in smoke ventilation. Essential reading for UK M&E specifiers and contractors.
Open PageBS EN 12101-6: Smoke and heat control systems. Specification for pressure differential systems. Kits
BS EN 12101-6:2022 specifies requirements for the assembled Pressure Differential System (PDS) kit: the fan, dampers, sensors and control unit supplied by the manufacturer, with Declaration of Performance and CE/UKCA marking.
Open PageBS EN 12101-7: Smoke and heat control systems. Smoke duct sections
BS EN 12101-7 specifies requirements for smoke ducts used to convey smoke from extract points to discharge locations in mechanical smoke ventilation systems.
Open PageBS EN 12101-8: Smoke and heat control systems. Smoke control dampers
BS EN 12101-8 smoke damper classifications explained - leakage classes, temperature ratings, the 1000 Pa test pressure change, and compliance for UK M&E specifiers.
Open PageBS EN 12101: The Smoke Control Standard Family
BS EN 12101 is the European standard family covering smoke and heat control systems. It comprises product specifications, technical reports and draft standards for ventilators, fans, ducts, dampers, panels, power supplies and pressure differential systems.
Open PageCar Park Ventilation Maintenance Guide
A plain English guide to maintaining a car park ventilation system. What you legally must do, who does what, how often checks happen, and what to keep records of. Based on official SCA guidance.
Open PageCase Studies
Real O Range projects delivered across the UK - smoke ventilation systems for residential, commercial, and mixed-use developments.
Open PageCEN/TR 12101-4: Installed SHEVS Systems
CEN/TR 12101-4 is a CEN Technical Report giving guidance on the design and installation of smoke and heat exhaust ventilation systems (SHEVS) in buildings. It is design guidance, not a product specification: products are not CE/UKCA marked against it.
Open PageCEN/TR 12101-5: Functional Recommendations and Calculation Methods for SHEVS
CEN/TR 12101-5 is a Technical Report giving design guidance and calculation methods for smoke and heat exhaust ventilation systems (SHEVS). It is used by fire engineers in SHEVS design: not a product specification. Smoke curtains are now covered by BS 8524, not EN 12101-5.
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Contact Vent Trade - call 01202 725 485 for sales or 01202 725 689 for technical support. UK-based smoke and natural ventilation specialists.
Open PageEverything O Range
Your complete O Range hub - end user guides, installer resources, software downloads, and direct technical support for the O Range smoke control system.
Open PageFree Area Calculator: Geometric & Aerodynamic Free Area for AOVs
Interactive UK free area calculator for AOVs, smoke vents, louvres and roof vents. Work out geometric free area (GFA), aerodynamic free area (Aa) and compare against BS 9991, BS 9999 and Approved Document B requirements.
Open PageHelp Centre
Technical support, downloads, and fast access to Vent Trade assistance for smoke and natural ventilation systems.
Open PageMechanical Smoke Extract (MSVS) Maintenance Guide
A plain English guide to maintaining a mechanical smoke extract (MSVS) system. What you legally must do, who does what, how often checks happen, and what to keep records of. Based on official SCA guidance.
Open PageNatural Smoke Ventilation (NSHEV) Maintenance Guide
A plain English guide to maintaining a natural smoke ventilation (NSHEV) system. What you legally must do, who does what, how often checks happen, and what to keep records of. Based on official SCA guidance.
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Vent Trade has supplied smoke and natural ventilation systems to the UK trade since 1988. 100+ engineers, SDI 19 certified. Based in Poole, Dorset.
Open PageprEN 12101-11: Horizontal Flow Powered Ventilation Systems for Enclosed Car Parks (Draft)
prEN 12101-11 is the draft European standard for horizontal flow powered ventilation systems in enclosed car parks. It addresses impulse ventilation systems and is currently in development.
Open PageprEN 12101-12: SHEVS Design for Time-Dependent Fires (Draft)
prEN 12101-12 is the draft European standard extending SHEVS design beyond steady-state assumptions to account for fires that grow and evolve over time. It is currently in development.
Open PageprEN 12101-9: Smoke Control Panels (Draft European Standard)
prEN 12101-9 is the draft European standard for smoke control panels. It is currently in development and not yet a published BS EN. Smoke control panels in the UK can be specified against BS 7346-8 as an interim compliance route.
Open PagePressure Differential System (PDS) Maintenance Guide
A plain English guide to maintaining a pressure differential system (PDS). What you legally must do, who does what, how often checks happen, and what to keep records of. Based on official SCA guidance.
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How Vent Trade (Ventec 100 Ltd) collects, uses, and protects your personal data.
Open PageSmoke Control for Atria
Atrium smoke control from Vent Trade, UK supplier since 1988. Roof extract, low-level make-up air, curtains, dampers and O Range controls for safe escape routes.
Open PageSmoke Control for Car Parks
Trade-supplied smoke ventilation for enclosed car parks: impulse fans, mechanical extract, CO detection, dampers, and O Range panels. UK supplier since 1988.
Open PageSmoke Control for Custodial & Secure Buildings
Smoke control products for prisons and secure units. Vent Trade supplies durable, tamper-resistant actuators, AOVs, centralised control panels and dampers to UK contractors.
Open PageSmoke Control for Data Centres
Smoke control products for UK data centres: certified dampers, curtains, mechanical extract, and control panels that keep smoke out and uptime protected.
Open PageSmoke Control for Housing Associations
O Range smoke control for housing associations and social landlords: resident-safe operation, Vent Net remote monitoring, Golden Thread evidence and estate standardisation. Swap a legacy panel and fix the problem overnight.
Open PageSmoke Control for Manufacturing
Smoke and natural ventilation for factories and single-storey production sheds. AOV roof vents, natural SHEVs, smoke barriers and controls from Vent Trade since 1988.
Open PageSmoke Control for Multi-Storey Residential
Smoke control for multi-storey residential blocks: stairwell and corridor AOVs, mechanical smoke shafts and pressure systems to Approved Document B and BS 9991.
Open PageSmoke Control for Shopping Centres
Vent Trade supplies smoke extract fans, AOV roof vents, louvres, dampers, smoke curtains and O Range control panels for UK shopping centre and mall projects.
Open PageSmoke Control for Student Accommodation
O Range smoke control for student accommodation providers and universities: tamper-proof operation, Vent Net remote monitoring across the portfolio, Golden Thread evidence and open protocol, maintainable by any registered smoke control contractor.
Open PageSmoke Control for Warehouses
UK trade supplier of smoke and heat ventilation for warehouses. SHEVs, smoke barriers, inlet louvres, extract fans and controls to BS 7346-4. Talk to the team.
Open PageSmoke Control System Maintenance Guide
A plain English guide to maintaining smoke control systems. What you legally must do, who does what, how often checks happen, and what to keep records of. Based on official SCA guidance.
Open PageSmoke Ventilation Across the UK
UK-wide smoke ventilation supply, installation and commissioning. AOV windows, roof vents, smoke control panels, dampers and fans. SDI 19 certified engineers, next-day despatch.
Open PageSmoke Ventilation Commissioning
Independent smoke ventilation commissioning by SDI 19 certified engineers. BS 7346-8 testing, cause-and-effect verification and building control sign-off documentation for AOV systems, smoke shafts and mechanical extract across the UK.
Open PageSmoke Ventilation Glossary
317 smoke ventilation terms explained in plain English and in full technical detail, with references to BS EN 12101, BS 7346, BS 9991 and Approved Document B.
Open PageSmoke Ventilation Guide: UK Compliance
The definitive UK guide to smoke ventilation. Covers AOV systems, mechanical extract, control panels, standards, maintenance and building type requirements. Written for building managers and fire alarm contractors.
Open PageSmoke Ventilation in Birmingham
Smoke ventilation supply, install and commissioning across Birmingham and the West Midlands: Digbeth and Jewellery Quarter conversions, Edgbaston high-rise refurbishments, BS EN 12101 compliant. SDI 19 certified.
Open PageSmoke Ventilation in Bristol
Smoke ventilation across Bristol and the South West: Temple Quarter and Harbourside residential towers, Bedminster regeneration and Broadmead refurbishments. BS EN 12101 compliant, SDI 19 certified.
Open PageSmoke Ventilation in Cardiff
Smoke ventilation across Cardiff and South Wales: Cardiff Bay waterfront towers, Butetown and Atlantic Wharf regeneration. Compliant with Approved Document B and Welsh guidance. SDI 19 certified.
Open PageSmoke Ventilation in Edinburgh
Expert smoke ventilation for Edinburgh's unique building mix: listed tenements, Granton waterfront new-builds, and student accommodation. Compliant with Scottish Technical Handbook and BS EN 12101. SDI 19 certified.
Open PageSmoke Ventilation in Glasgow
Smoke ventilation supply, installation and commissioning across Glasgow and Greater Glasgow. AOV systems, control panels and refurbishments for high-rise social housing, Clyde waterfront new-builds, and student accommodation.
Open PageSmoke Ventilation in Leeds
Smoke ventilation for Leeds and West Yorkshire: South Bank and Holbeck Urban Village towers, Headingley and Hyde Park PBSA, and post-war housing refurbishments. BS EN 12101 compliant, SDI 19 certified.
Open PageSmoke Ventilation in Liverpool
Expert smoke ventilation supply, installation and commissioning across Liverpool and Merseyside. AOV systems, smoke shaft dampers and control panels for waterfront towers, student accommodation, and housing association refurbishments.
Open PageSmoke Ventilation in London
Smoke ventilation supply, install and commissioning across London: high-rise residential under the Building Safety Act, stairwell AOVs, smoke shafts and golden-thread records. SDI 19 certified.
Open PageSmoke Ventilation in Manchester
Smoke ventilation across Greater Manchester: Salford Quays and Ancoats towers, Northern Quarter mill conversions and Hulme/Wythenshawe refurbishment programmes. BS EN 12101 compliant, SDI 19 certified.
Open PageSmoke Ventilation in Sheffield
Smoke ventilation supply, installation and commissioning across Sheffield and South Yorkshire. AOV systems, control panels and dampers for student accommodation, Park Hill refurbishment, and housing association tower blocks.
Open PageSocial Media
Where UK smoke control professionals stay ahead. Live from real UK sites with installers, fire alarm companies, and consultants on LinkedIn, Facebook, Instagram, YouTube, and TikTok.
Open PageTerms & Conditions
Terms and conditions of sale governing every sale of goods and provision of services by Vent Trade (Ventec 100 Ltd). Trade buyers only.
Open PageThe Principles of Smoke Control
The principles of smoke control: how smoke moves, why a clear layer matters, and how natural, mechanical and pressurisation systems hold it back. In plain English.
Open PageVent Trade FAQ
Detailed answers to the questions UK trade buyers, contractors, building managers and specifiers ask about Vent Trade's smoke and natural ventilation supply: products, compliance, trade accounts, delivery, technical support, commissioning, warranty and maintenance.
Open PageVent Trade Training
Smoke ventilation CPD training for engineers - hands-on courses covering AOV systems, control panels, commissioning and fault diagnosis. Book with Vent Trade.
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