125mm SonoFlex Insulated Flexible Duct – Superior Thermal & Acoustic Insulation - 5m

Blauberg SonoFlex-125-5 Insulated Flexible Ducting

Blauberg SonoFlex-125-5 Insulated Flexible Ducting is the ideal choice for modern ventilation systems requiring a 125mm diameter duct. Offering thermal insulation, condensation control, noise reduction, and flexibility, this ducting is designed for both efficiency and durability. Perfect for various HVAC applications, including residential, commercial, and industrial installations, it meets all relevant UK building regulations, ensuring high performance and compliance.

Using SonoFlex-125-5 Insulated Flexible Ducting to Control Condensation

Blauberg SonoFlex-125-5 is specifically engineered to minimise condensation risks in ventilation systems, crucial for maintaining a healthy and comfortable indoor environment. In areas like toilets, bathrooms, en-suites, and wet rooms, where high humidity levels are common, condensation can lead to mould growth, poor air quality, and even structural damage if not properly managed.

Using the 125mm diameter SonoFlex ducting in your ventilation system lowers these risks. The enhanced insulation helps the system manage moisture more effectively, preventing condensation from forming. This not only protects your home from the harmful effects of dampness but also ensures a cleaner, healthier atmosphere in the most moisture-prone areas of your home.

Condensation Risk Comparison Table

The chart below illustrates the likelihood of condensation forming inside ventilation ducts. It demonstrates how the use of SonoFlex-125-5 significantly reduces the risk, making your ventilation system less susceptible to mould and damp, especially when ducts pass through unheated areas like lofts or roof spaces.

To ensure optimal performance and compliance with building regulations, the data is based on a duct length of 1.5 metres.

Dia / Length (mm / m)	Starting Temp (°C)	End Temp (°C)	Relative Humidity (%)	Dew Point (°C)	Airflow (L/s)	Air Velocity (m/s)	Condensation Risk	Condensation Risk Using SonoFlex
125 / 1.5m	21.0	15.0	80	17.4	25	2.04	High	Low

Disclaimer: The figures provided in the table are for illustrative purposes only. Actual performance may vary depending on specific installation conditions.

Given the British climate, where cool and damp conditions often prevail, the use of insulated ducting like SonoFlex-125-5 becomes even more critical to managing condensation risks effectively, especially in moisture-prone areas.

Using SonoFlex-125-5 Insulated Flexible Ducting to Regulate Temperature

SonoFlex-125-5 Insulated Flexible Ducting features 25mm Rockwool insulation, known for its excellent thermal performance and flame retardant properties. With a thermal conductivity of ≤0.04 W/mK, it meets UK building regulations, making it an excellent choice for maintaining consistent air temperatures within your HVAC system.

This insulation effectively reduces heat loss or gain, which is particularly crucial in the British climate where temperature fluctuations can impact energy efficiency. Insulated flexible ducting like SonoFlex-125-5 plays a vital role in keeping your indoor environment stable and comfortable.

Temperature Regulation Table

The table below demonstrates the heat retention performance of SonoFlex-125-5, highlighting its efficiency in maintaining a consistent room temperature of 21°C over a 1.5-metre length under varying seasonal conditions.

Negative values indicate the minimal amount of heat lost in winter or coolness lost in summer, showcasing the ducting’s efficiency in minimising temperature changes, which is essential for maintaining energy efficiency and comfort in HVAC systems.

Duct Size (mm)	Room Temperature (°C)	In Winter (Ambient Temp: 10°C)	In Summer (Ambient Temp: 30°C)
125	21.0	-0.9	-0.4

Disclaimer: The heat retention values provided are estimated based on theoretical calculations using a thermal conductivity of ≤0.04 W/mK. Actual performance may vary depending on specific installation conditions, airflow, and environmental factors.

Using SonoFlex-125-5 Insulated Flexible Ducting to Control Noise

Blauberg SonoFlex-125-5 is designed not only to provide thermal insulation and effective condensation control but also to reduce noise levels within your ventilation system. The Rockwool insulation used in SonoFlex-125-5 naturally dampens noise, absorbing sound vibrations and preventing them from traveling through the ductwork.

This makes SonoFlex-125-5 an ideal choice for both residential and commercial applications where maintaining a quiet environment is essential. Whether in homes, offices, or other spaces where noise control is a priority, SonoFlex-125-5 contributes to a more comfortable and peaceful atmosphere.

Noise Reduction Table

This chart illustrates the effectiveness of SonoFlex-125-5 in reducing noise as air travels through your ventilation system.

The table demonstrates the noise levels before and after the air passes through the SonoFlex-125-5 duct, showcasing a significant reduction in noise, making it ideal for noise-sensitive areas.

Dia / Length (mm / m)	Air Velocity (m/s)	Initial Noise Level (dBA)	Noise Level After Duct (dBA)	Noise Reduction (dBA Drop)
125 / 1.5m	2.04	52	42	10

Disclaimer: The noise reduction values provided are based on theoretical conditions. Actual results may vary depending on the specific installation and environmental factors.

Technical Data for SonoFlex-125-5

• Diameter: 125mm (5").
• Temperature Range: From -30°C to +140°C.
• Thermal Conductivity: ≤0.04 W/mK.
• Air Velocity: Up to 25 m/s maximum.
• Working Pressure: Maximum 2500 Pa positive.
• Standard Length: Supplied in 5 meters.
• Colour: Metallic Silver.
• Insulation Material: 25mm Rockwool.
• Outer Jacket Material: Aluminium laminate.

Applications for SonoFlex-125-5 Insulated Flexible Ducting

Controlling Condensation and Mould Prevention:

• Intermittent Extractor Fans: Ideal for use with bathroom extractors and inline fans, which operate periodically to remove moisture and maintain air quality. The insulation prevents condensation build-up, crucial for preserving the efficiency of these systems in humid environments.
• Purge Ventilation: Well-suited for systems designed to quickly ventilate spaces, ensuring that excess humidity is effectively expelled. This is particularly beneficial in areas that require rapid and efficient air exchange, helping to reduce the risk of mould and dampness.
• Continuous Extract Ventilation: SonoFlex-125-5 is highly effective in systems such as Mechanical Extract Ventilation (MEV) and Decentralised Mechanical Extract Ventilation (dMEV), which continuously extract air to maintain indoor air quality. The insulation supports these systems by minimising condensation and ensuring consistent performance.
• Mechanical Ventilation with Heat Recovery (MVHR) Systems: In MVHR systems, SonoFlex-125-5 plays a key role in reducing thermal bridging. It helps to maintain the efficiency of the system, ensuring that heat recovery is maximised, which is essential for energy conservation.
• Air Conditioning Systems: SonoFlex-125-5 helps to maintain consistent temperatures within air conditioning systems by reducing unwanted heat gain or loss through the ducting. This ensures that the system operates efficiently, providing consistent climate control.

Intermittent and Continual Extract Ventilation

Blauberg SonoFlex-125-5 Insulated Flexible Duct is particularly well-suited for a variety of domestic ventilation applications. It is especially effective in roof and loft spaces, where temperature fluctuations and higher humidity levels can lead to condensation. Given the British climate’s tendency towards cool and damp conditions, using insulated flexible ducting like SonoFlex-125-5 is essential for preventing condensation and maintaining a comfortable indoor environment.

Mechanical Ventilation with Heat Recovery (MVHR) Systems

In MVHR systems, SonoFlex-125-5 Insulated Flexible Ducting is crucial. It connects heat recovery units to external environments, enabling energy-efficient ventilation while reducing thermal bridging. Minimising thermal bridging is key to maintaining the overall efficiency of the system, which helps to lower energy costs and supports sustainability, aligning with the UK’s energy efficiency goals.

General HVAC Installations

SonoFlex-125-5 Insulated Flexible Duct is suitable for a wide range of Heating, Ventilation, and Air Conditioning (HVAC) applications across residential, commercial, and industrial installations. It is particularly beneficial in environments where thermal insulation, noise reduction, and condensation management are essential. The ducting supports a stable indoor climate, reduces energy loss, and minimises noise transmission, making it a reliable choice for installations requiring long-term performance and compliance with regulations.

Why Choose Blauberg SonoFlex-125-5 Insulated Flexible Ducting?

Blauberg SonoFlex-125-5 Insulated Flexible Duct offers a comprehensive solution for those seeking efficiency, durability, and performance in their ventilation systems. Whether installing a new HVAC system or upgrading an existing one, SonoFlex-125-5 delivers superior insulation, condensation control, noise reduction, and temperature regulation, making it the preferred choice for professionals in the ventilation trade.

Note: The British climate, with its cool, damp conditions, underscores the importance of using high-quality insulated flexible ducting like SonoFlex-125-5, which helps maintain energy efficiency and prevents condensation in such environments.

It is important to note that any flexible ducting, including SonoFlex-125-5, should only be used in lengths of up to 1.5 meters to ensure compliance with Building Regulations and demonstrate the use of best practices.