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Passive fire protection

Fire Stopping


Fire stopping and passive fire protection regulations.

Fire Protection


ClearView operate to Passive Fire Protection and Fire Stopping regulations to ensure the work we carry out is fully compliant. We are certified by the International Fire Consultants who audit our installation work a minimum of 4 times per year.

Other areas of passive fire protection include;

Products – Certification – Processes


What Are The Regulations Under Law?


The Building Regulations 2019, Fire Safety, Approved Document B – Requirement B3, Internal Fire Spread (structure) state “The building shall be designed and constructed so that, in the event of a fire, its stability will be maintained for a reasonable period.”

“The building shall be designed and constructed so that unseen fire and smoke within concealed spaces in its structure and fabric is inhibited.”

Approved Document B 2019 Volume 1 ‘Dwellings’, Section 9 sets out the requirements for fire stopping and states that openings through a fire-resisting element for pipes, ducts, conduits or cable should be as few and small as possible and fire stopped.


Regulatory Reform (Fire Safety) Order 2005

Regulatory Reform (Fire Safety) Order 2005, applies to almost all buildings and structures, however it is not applied to private homes.

“You are responsible under the Act if you are an Employer, Landlord, Owner, Occupier, or anyone else in control of the premises such as a Facilities Manager.”

“As the responsible person you must:

  • carry out a fire risk assessment of the premises and review it regularly
  • tell staff or their representatives about the risks you’ve identified
  • put in place, and maintain, appropriate fire safety measures
  • plan for an emergency
  • provide staff information, fire safety instruction and training.”

high rise- regulations fire stopping

BS 7671:2018 - Sealing of Wiring Installations

BS 7671:2018 Regulation 527.2 sets out the requirements for the sealing of wiring system penetrations, Regulation 527.2.1 states that:

“Where a wiring system passes through elements of building construction such as floors, walls, roofs, ceilings, partitions or cavity barriers, the openings remaining after passage of the wiring system shall be sealed according to the degree of fire-resistance (if any) prescribed for the respective element of building construction before penetration.”

Whilst BS 7671:2018 states that fire stopping is a requirement, it does not detail how it should be carried out or who should do it. For this, it is important to seek further guidance from specialist contractors and manufacturers such as ClearView.

Fire stopping - cables

Who is Responsible for Carrying Out the Fire Stopping Works?

BS 7671:2018 imposes requirements on the electrical installer to ensure penetrations for wiring systems are sealed to prevent the spread of fire. However, the electrical designer may decide to employ a specialist contractor to carry out the works.

On smaller projects, the electrical installer will likely be the only person involved in the works, so it will be their responsibility to ensure that the fire stopping works are completed adequately.

On larger projects, it can sometimes be assumed that the fire stopping will be carried out by the main contractor, but this is not always the case. It is important to establish where the responsibility lies at an early stage, such as when tendering for a project. The architect will likely be responsible for specifying fire stopping works, but this should be clarified with the principal contractor during the tender process.

Responsibility for Compliance

People who are responsible for building work (e.g. agent, designer, builder or installer) must ensure that the work complies with all applicable requirements of the Building Regulations. The building owner may also be responsible for ensuring that work complies with the Building Regulations. If building work does not comply with the Building Regulations, the building owner may be served with an enforcement notice.

Fire and smoke spread

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