Passive Fire Protection

Caldera FS offers the installation and repair of passive fire protection systems.

Passive Fire Protection can help save lives, reduce property damage, and ensure quick responses in an emergency, in both residential and commercial settings. Unlike active fire protection systems such as alarms and sprinklers, passive fire protection works silently in the background, built directly into the fabric of your building to contain and slow the spread of fire and smoke.

Having a professionally installed passive fire protection system ensures your building meets current fire safety regulations and gives occupants the precious time they need to evacuate safely in the event of an emergency.

Here are some of the key benefits of Passive Fire Protection:

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Slowing down fire spread by compartmentalising affected areas of the building

Certified fire doors act as a critical barrier, holding back flames and containing fire to its area of origin.

Protecting escape routes and keeping them clear and accessible during an emergency

Strategically positioned fire doors safeguard corridors and stairwells, ensuring evacuation paths remain safe and usable.

Allowing safe evacuation for all occupants with sufficient time to exit the building

By resisting fire for 30, 60, or even 120 minutes, fire doors give occupants the vital time needed to escape safely.

Reducing smoke inhalation risk by preventing toxic smoke from spreading through corridors

Smoke seals and intumescent strips block harmful fumes, protecting occupants from the leading cause of fire-related injuries.

Minimising fire damage to the wider building structure and surrounding areas

Containing fire to a single compartment dramatically reduces overall destruction, saving costly repairs and lost assets.

Protecting building structures from heat and fire damage for longer periods

Robust construction shields walls, floors, and structural elements from intense heat, helping preserve building integrity.

Ensuring full compliance with current UK fire safety regulations and standards

Professionally installed and maintained fire doors meet Building Regulations and all relevant fire safety legislation.

Providing peace of mind that your building is as safe as it can possibly be

A fully certified fire door system gives owners and occupants complete confidence that the building is properly protected.

FAQ

Passive Fire Protection refers to built-in fire safety measures designed to contain or slow the spread of fire and smoke without requiring activation (unlike sprinklers or alarms). It’s part of a building’s structural and compartmentation system. 

  • Passive Fire Protection: Works automatically through fire-resistant walls, floors, doors, coatings, and firestopping systems. 
  • Active Fire Protection: Requires activation (e.g., sprinklers, fire alarms, suppression systems). 

Both systems work together to protect life and property. 

Fire-Resistant Walls & Compartmentation 

  • Fire-rated walls and floors 
  • Fire doors and dampers 
  • Compartmentation systems 

These systems prevent fire and smoke from spreading between areas. 

 

Firestopping Systems 

  • Sealing gaps around pipes, ducts, and cables 
  • Intumescent materials that expand when exposed to heat 

Firestopping restores fire resistance where services penetrate walls and floors. 

 

Intumescent Coatings 

  • Applied to structural steel 
  • Expand when exposed to high temperatures 
  • Insulate the structure and delay collapse 

Most PFP systems are designed to last for the life of the building, if properly installed and maintained. However, modifications (new cables, pipes, renovations) may compromise systems and require reinspection. 

 

PFP is required in: 

  • Commercial buildings 
  • Industrial facilities 
  • Hospitals 
  • Residential complexes 
  • Schools and public buildings 

Local building codes determine specific requirements. 

  • Increased fire spread risk 
  • Potential structural failure 
  • legal liability 
  • Insurance claim issues 

 

Regular inspections are critical. 

  • At installation 
  • After renovations or service penetrations 
  • During routine building safety audits 

 

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