New Project - Leisure Centre

Fire Damper Installation at a Swimming Pool – Why It Matters

Swimming pools present a unique environment when it comes to fire safety. High humidity, chlorinated air, complex ductwork systems and large open-plan spaces all increase the importance of correctly installed and maintained fire dampers.

Recently, we carried out a fire damper installation within a swimming pool facility, and it highlighted just how critical these components are in protecting life and property.

What Is a Fire Damper?

A fire damper is a passive fire protection device installed within ductwork where it passes through fire-resisting walls or floors.

In the event of a fire:

• The damper activates (typically via a fusible link or motorised mechanism)

• The blades close automatically

• The fire compartment is maintained

• The spread of fire and smoke through ductwork is restricted

Without properly installed dampers, ventilation systems can allow fire and smoke to spread rapidly between compartments.

Why Swimming Pools Are Higher Risk Environments

Swimming pool buildings have specific challenges:

🌫 High Humidity

Constant moisture can cause corrosion of damper blades, springs and housings. Standard dampers may deteriorate quickly if not correctly specified.

🧪 Chlorinated Atmosphere

Chlorine vapour is aggressive to metal components. Dampers must be corrosion-resistant and suitable for this type of environment.

🌡 Complex Ventilation Systems

Pools rely heavily on mechanical ventilation to control condensation and air quality. This means extensive ductwork, increasing the importance of correct compartment penetration sealing.

👥 Public Occupancy

Swimming pools are high-footfall areas, often including children and vulnerable users. Life safety protection must be robust and reliable.

The Importance of Correct Installation

Installing a fire damper is not simply a case of fitting it into ductwork. It must:

• Be installed in line with manufacturer test evidence

• Be correctly positioned within the compartment line

• Include appropriate fire-stopping around the penetration

• Allow safe access for future inspection and testing

• Be recorded and labelled for compliance

Poor installation can invalidate fire compartmentation and leave the building non-compliant.

Ongoing Testing & Maintenance

Under fire safety legislation, dampers must be:

• Inspected and tested at least annually (or more frequently in dusty or aggressive environments like pools)

• Maintained to ensure blades fully close

• Recorded within a fire safety logbook

In swimming pools, due to corrosion risk, more frequent inspection is often recommended.

Protecting Compartmentation

Fire dampers play a vital role in maintaining compartment integrity. In buildings such as leisure centres, where large volumes of air are constantly moving, they prevent:

• Smoke migration into escape routes

• Fire spread into plant rooms

• Compartment failure across floors

Without them, a building’s passive fire strategy can fail within min

utes.