An Overview of Fire Stopping

11 Mar 2024

Fire stopping is a crucial fire protection strategy used in construction to slow the spread of flames, smoke, and toxic gases. By reinstating the fire performance of walls and floors where joints and penetrations are present, fire stopping compartmentalises buildings and buys occupants valuable time to evacuate during a fire.

Typical fire stopping products include sealants, boards, collars, wraps, pillows, putty and intumescent materials.  Testing and certification are integral to these fire stopping products & systems in both the UK and beyond. Products undergo rigorous assessment regimes to meet specific fire safety standards, like British Standards (BS) or European Standards (EN). Third party, independent certification schemes are also vital to verify fire performance and quality for the lifetime of the system.

The required fire rating for fire stopping products varies based on building codes, intended use, and construction type. Common ratings include integrity and insulation to a designated duration of time. Ensuring fire stopping products meet the appropriate fire rating is essential for effective fire containment. Compliance with building regulations and consulting with fire safety professionals and manufacturers can help select and install the right fire stopping materials for maximum building safety.


Passive Fire Protection and Fire Stopping – What’s The Difference?

Fire stopping and Passive Fire Protection (PFP) work in unison to enhance building safety in the event of a fire breaking out.  However, they refer to different aspects of fire safety measures.  In a nutshell, PFP is the full set of fire-resistant materials and systems within a building that limit the spread of fire and smoke to protect people and property.  Whereas fire stopping is a specific technique within PFP that deals with sealing any gaps or penetrations created within said fire resistant materials; to reinstate compartments.

Still confused?  Read on for more information on Passive Fire Protection and Fire Stopping.

What is Passive Fire Protection?

Passive Fire Protection (PFP) is a broad set of fire safety measures in buildings which contain and slow down the spread of fire, working automatically within the buildings structure. It includes materials that are inherently fire resistant and help contain, and slow, the spread of fire without relying on active protection systems (which trigger upon the detection of smoke & fire and actively try to put it out e.g., sprinkler systems)

Compartmentation is a key principle within PFP as buildings are designed to form separate fire resisting ‘compartments’, which, in the event of a fire, contain and slow the spread of flames & smoke from one compartment to another.

What is Fire Stopping?

Crucial to compartmentation, fire stopping refers specifically to installing barriers in joints, gaps, and penetrations throughout the building; reinstating compartments to slow the spread of flames & smoke from one area to another and allowing for safe evacuation.

Essential building services — water pipes and electrical cables for example, penetrate compartment walls and floors. These have the potential to seriously compromise the integrity and insulation of the fire compartment, unless proven fire stopping systems are installed. FSi Promat fire stopping systems are designed to restore the fire compartment to its original, required, level of fire performance.


For more information on the FSi Promat range of fire stopping products & systems, or to buy from the FSi Promat range contact us today:

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+44(0) 1530 515130


+44(0) 1530 515130