100mm SonoFlex Insulated Flexible Duct – Superior Thermal & Acoustic Insulation - 5m

Blauberg SonoFlex-100-5 Insulated Flexible Ducting

The Blauberg SonoFlex-100-5 Insulated Flexible Duct, with a 100mm (4") diameter and 5m length, is the ideal choice for modern ventilation systems requiring superior thermal insulation, effective condensation control, noise reduction, and flexibility. This ducting is designed for maximum efficiency and durability, making it perfect for a wide range of HVAC applications, particularly in residential environments. It fully complies with all relevant UK building regulations, ensuring top performance and reliability.

Effective Condensation Control with SonoFlex-100-5

The Blauberg SonoFlex-100-5 is specifically engineered to minimise the risk of condensation in your ventilation system, an important factor in maintaining a healthy and comfortable home environment. This ducting is particularly effective in areas prone to high humidity, such as bathrooms, en-suites, and wet rooms, where condensation can lead to mould growth, poor air quality, and even structural damage if left unchecked.

By incorporating SonoFlex-100-5 into your ventilation system, you can reduce these risks. The duct’s high level of insulation helps to ensure that moisture is effectively managed, preventing condensation from forming within the ductwork. This not only protects your home from damp but also helps maintain a cleaner and healthier atmosphere in moisture-prone areas.

Condensation Risk Comparison

The table below demonstrates how the SonoFlex-100-5 reduces the likelihood of condensation under various conditions, particularly when the ducting passes through unheated spaces like lofts or roof voids.

The table is tailored to reflect the specific 1.5-metre length of the SonoFlex-100-5 model, with additional rows showing variations in starting temperatures, relative humidity, and airflow conditions.

Diameter / 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-100-5
100 / 1.5m	21.0	15.0	80	17.4	15	1.91	High	Low
100 / 1.5m	22.0	16.0	75	18.0	20	2.00	Medium	Low
100 / 1.5m	20.0	14.0	85	16.5	18	1.85	High	Low
100 / 1.5m	19.0	13.0	90	15.8	12	1.60	Very High	Low

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

Temperature Regulation with SonoFlex-100-5

The SonoFlex-100-5 Insulated Flexible Ducting is equipped with 25mm Rockwool insulation, known for its excellent thermal performance and flame-retardant properties. With a thermal conductivity of ≤0.04 W/mK, this ducting complies with UK building regulations and is an ideal choice, helping to maintain consistent air temperatures in your HVAC system.

This insulation reduces heat loss or gain, which is particularly important in the British climate, where temperature fluctuations can affect energy efficiency. By using SonoFlex-100-5, you help to stabilise indoor temperatures, ensuring comfort and reducing energy costs.

Temperature Regulation Performance

The following table illustrates the heat retention performance of the SonoFlex-100-5 Insulated Flexible Duct across its 1.5-metre length. It shows how the ducting maintains a consistent room temperature of 21°C under varying seasonal conditions, including different ambient temperatures and airflow conditions.

The temperature variations in winter and summer are simplified with a +/- indication for clarity.

Duct Size (mm)	Initial Room Temperature (°C)	Winter Temperature Change (Ambient Temp: 10°C)	Summer Temperature Change (Ambient Temp: 30°C)
100 / 1.5m	21.0	-0.8°C	+0.3°C

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.

Noise Control with SonoFlex-100-5

The Blauberg SonoFlex-100-5 Insulated Flexible Ducting is not only designed for superior thermal insulation and effective condensation control, but also for significant noise reduction within your ventilation system. The Rockwool insulation used in this ducting absorbs sound vibrations, preventing them from travelling through the ductwork, thus reducing noise levels.

This makes the SonoFlex-100-5 an excellent choice for residential settings where maintaining a quiet environment is essential. Whether in homes, offices, or other noise-sensitive areas, this ducting contributes to a more peaceful atmosphere.

Noise Reduction Performance

The table below demonstrates the noise reduction capabilities of the SonoFlex-100-5 duct, comparing noise levels before and after air passes through the ducting. This illustrates the duct's effectiveness in reducing noise by a significant amount, making it ideal for installations where both thermal insulation and noise control are priorities.

Diameter / Length (mm / m)	Air Velocity (m/s)	Initial Noise Level (dBA)	Noise Level After Duct (dBA)	Noise Reduction (dBA Drop)
100 / 1.5m	1.91	50	40	10
100 / 1.5m	2.00	52	42	10
100 / 1.5m	2.10	54	43	11
100 / 1.5m	2.20	55	44	11

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

Technical Data for SonoFlex-100-5

• Diameter: 100mm (4").
• Length: 5 metres.
• 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.
• Colour: Metallic Silver.
• Insulation Material: 25mm Rockwool.
• Outer Jacket Material: Aluminium laminate.

Applications for SonoFlex-100-5

Condensation Control and Mould Prevention

• Intermittent Extractor Fans: The SonoFlex-100-5 is ideal for use with bathroom extractors and inline fans, which operate periodically to remove moisture and maintain air quality. The duct's insulation helps prevent condensation build-up, which is crucial for preserving the efficiency of these systems in humid environments like bathrooms.
• Purge Ventilation: SonoFlex-100-5 is well-suited for systems designed to quickly ventilate spaces, ensuring that excess humidity is effectively expelled. This is particularly beneficial in areas requiring rapid and efficient air exchange, helping to reduce the risk of mould and damp.
• Continuous Extract Ventilation: The SonoFlex-100-5 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, the SonoFlex-100-5 plays a key role in reducing thermal bridging. By insulating the ducting, it helps maintain the efficiency of the system, ensuring that heat recovery is maximised, which is essential for energy conservation.
• Air Conditioning Systems: The SonoFlex-100-5 helps 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 Continuous Extract Ventilation

The Blauberg SonoFlex-100-5 Insulated Flexible Duct is particularly well-suited for intermittent and continous ventilation. 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 the SonoFlex-100-5 is essential for preventing condensation and maintaining a comfortable indoor environment.

Mechanical Ventilation with Heat Recovery (MVHR) Systems

In MVHR systems, the SonoFlex-100-5 is crucial for connecting 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 lower energy costs and supports sustainability, aligning with the UK’s energy efficiency goals.

General HVAC Installations

The SonoFlex-100-5 is suitable for a wide range of Heating, Ventilation, and Air Conditioning (HVAC) applications across residential settings. It is particularly beneficial in environments where thermal insulation, noise reduction, and condensation management are essential. This ducting supports a stable indoor climate, helps reducing 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-100-5 Insulated Flexible Ducting?

The Blauberg SonoFlex-100-5 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, the SonoFlex-100-5 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 the SonoFlex-100-5, which helps maintain energy efficiency and prevents condensation in such environments.

It is important to note that any flexible ducting, including the SonoFlex-100-5, should be used in lengths up to 1.5 metres to ensure compliance with Building Regulations and to demonstrate best practices in installation.