Passive Fire Protection

Passive Fire Protection is the use of fire-resistance rated materials in walls and floors to prevent or slow down the spread of fire.
The aim for Fire Protection systems is typically demonstrated in fire testing the ability to maintain the item or the side to be protected at or below either 140 °C (for walls, floors and electrical circuits required to have a fire-resistance rating) which is considered the critical temperature for structural steel, above which it is in jeopardy of losing its strength, leading to collapse.

This is based, in most countries, on the basic test standards for walls and floors, such as BS 476: Part 22: 1987, BS EN 1364-1: Smaller components, such as fire dampers, fire doors, etc., follow suit in the main intentions of the basic standard for walls and floors.

Fire testing involves live fire exposures upwards of 1100 °C, depending on the fire-resistance rating and duration one is after. More items than just fire exposures are typically required to be tested to ensure the survivability of the system under realistic conditions.

Contrary to active fire protection measures, passive fire protection means do not typically require electric or electronic activation or a degree of motion. firewalls not only have a rating, they are also designed to sub-divide buildings such that if a fire occurs on one side, this will not affect the other side. They can also be used to eliminate the need for sprinklers, as a trade-off.

eBrit Fire Protection Ltd can advise, manage and carry out any size of Passive Fire Protection Contracts.

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