250mm SonoFlex Insulated Flexible Duct – Superior Thermal & Acoustic Insulation - 10m

Blauberg SonoFlex-250-10 Insulated Flexible Ducting

The Blauberg SonoFlex-250-10 Insulated Flexible Ducting is a top-tier solution for large-scale ventilation projects that demand high performance and reliability. With a substantial 250mm diameter and an extended 10-metre length, this ducting is designed to meet the rigorous needs of commercial, industrial, and large residential HVAC systems. It offers superior thermal insulation, moisture management, and noise reduction, ensuring that your ventilation system operates efficiently and complies with UK building regulations and best practices.

Advanced Condensation Control with SonoFlex-250-10 Ducting

In large ventilation systems, especially those operating in high-humidity environments such as commercial kitchens, manufacturing plants, or expansive public spaces, effective condensation control is crucial. Blauberg SonoFlex-250-10 is engineered to manage condensation effectively in such demanding conditions. Its 25mm Rockwool insulation maintains stable internal temperatures within the duct, significantly reducing the risk of condensation forming on the duct surfaces.

Incorporating the 250mm diameter SonoFlex-250-10 into your HVAC system ensures effective moisture management, safeguarding your infrastructure from the damaging effects of dampness, such as mould growth and structural degradation. This ducting is particularly advantageous for installations where ducts pass through unheated or variable-temperature zones like warehouses, industrial lofts, or extensive basements, where temperature fluctuations could otherwise lead to serious condensation issues.

Condensation Risk Assessment Table

The table below compares the risk of condensation forming inside ventilation ducts. It highlights how the SonoFlex-250-10 minimises this risk, making it an essential component for larger ventilation systems where moisture control is paramount.

Data is based on a duct length of 1.5 metres to ensure accuracy and compliance with regulatory standards.

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
250 / 1.5m	21.0	18.0	70	15.3	180	3.67	Medium	Low

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

For large-scale ventilation projects in the UK, where climate variability and high humidity are common, the use of insulated ducting like SonoFlex-250-10 is crucial for managing condensation effectively and ensuring the longevity of your HVAC system.

Ensuring Temperature Stability with SonoFlex-250-10 Insulated Ducting

In larger HVAC systems, maintaining consistent temperature control is key to achieving energy efficiency and ensuring occupant comfort across expansive areas. The Blauberg SonoFlex-250-10, with its robust 25mm Rockwool insulation, excels at minimising heat loss or gain as air travels through the ductwork. This is particularly vital in commercial and industrial settings where temperature stability can directly impact operational efficiency and energy costs.

The SonoFlex-250-10 helps maintain a stable indoor climate by preventing unwanted temperature fluctuations, which is essential in environments where precise climate control is required, such as data centres, large office buildings, and healthcare facilities. By choosing the SonoFlex-250-10, you are investing in a ducting solution that supports the overall efficiency and performance of your large-scale ventilation system.

Temperature Retention Table

The table below demonstrates the heat retention capabilities of the SonoFlex-250-10, illustrating its effectiveness in maintaining a stable room temperature of 21°C over a 1.5-metre length under varying seasonal conditions.

Negative values indicate the slight amount of heat lost in winter or coolness lost in summer, highlighting the ducting’s efficiency in maintaining consistent temperatures, which is crucial for energy savings and maintaining a comfortable environment in large spaces.

Duct Size (mm)	Room Temperature (°C)	In Winter (Ambient Temp: 10°C)	In Summer (Ambient Temp: 30°C)
250	21.0	-0.6	-0.2

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

Noise Reduction with SonoFlex-250-10 for Larger Projects

Noise control is often a critical concern in large ventilation systems, particularly in commercial and industrial environments where maintaining a quiet workspace is essential. The SonoFlex-250-10 is designed to address this challenge with its high-density Rockwool insulation, which effectively absorbs sound and prevents noise from travelling through the ductwork. This makes the SonoFlex-250-10 an excellent choice for projects where noise reduction is a priority, such as in large office buildings, educational institutions, and public facilities.

By incorporating the SonoFlex-250-10 into your HVAC system, you can significantly reduce noise levels, contributing to a more pleasant and productive environment. This is particularly important in larger spaces where noise from air movement and mechanical systems can otherwise be disruptive.

Noise Reduction Performance Table

The table below highlights how effectively the SonoFlex-250-10 reduces noise as air travels through the duct. It compares noise levels before and after the air passes through the insulated duct, demonstrating a substantial reduction in decibel levels, which is crucial for maintaining a quiet and comfortable environment in large projects.

Dia / Length (mm / m)	Air Velocity (m/s)	Initial Noise Level (dBA)	Noise Level After Duct (dBA)	Noise Reduction (dBA Drop)
250 / 1.5m	3.67	59	46	13

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

Technical Specifications for SonoFlex-250-10

• Diameter: 250mm (10 inches).
• 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 10 metres.
• Colour: Metallic Silver.
• Insulation Material: 25mm Rockwool.
• Outer Jacket Material: Aluminium laminate.

Applications for SonoFlex-250-10 Insulated Flexible Ducting

Moisture Management and Mould Prevention

• Inline Extractor Fans: Ideal for offices and large room extractor fans that need to efficiently remove moisture and maintain air quality. The insulation ensures optimal performance in humid environments, reducing the risk of mould and dampness.
• Ventilation Systems: Suitable for both intermittent and continuous extract ventilation systems, including Mechanical Extract Ventilation (MEV) and Decentralised Mechanical Extract Ventilation (dMEV), where consistent air extraction is critical for indoor air quality.
• MVHR Systems: In Mechanical Ventilation with Heat Recovery (MVHR) systems, the SonoFlex-250-10 reduces thermal bridging, enhancing the efficiency of the system by ensuring maximum heat recovery and reducing energy loss.
• Air Conditioning: The SonoFlex-250-10 is highly effective in air conditioning systems, helping maintain stable temperatures by minimising heat transfer, which ensures efficient operation and consistent climate control.

General HVAC Applications

The SonoFlex-250-10 is a versatile solution for a wide range of Heating, Ventilation, and Air Conditioning (HVAC) applications. It is particularly effective in areas where thermal insulation, noise reduction, and moisture management are crucial. Whether in residential, commercial, or industrial settings, this ducting helps maintain a stable indoor environment, reduces energy consumption, and minimises noise, making it an ideal choice for installations requiring long-term performance.

Why Choose Blauberg SonoFlex-250-10 Insulated Flexible Ducting?

The Blauberg SonoFlex-250-10 Insulated Flexible Ducting offers a reliable solution for those seeking efficiency, durability, and performance in their ventilation systems. Whether you are installing a new HVAC system or upgrading an existing one, the SonoFlex-250-10 provides excellent insulation, moisture control, noise reduction, and temperature stability. It’s the preferred choice for professionals looking for a long-lasting solution that meets the highest standards.

Note: The UK's unpredictable climate emphasises the need for high-quality insulated ducting like the SonoFlex-250-10, which helps maintain energy efficiency and prevent condensation in both residential and commercial environments.

It is recommended that flexible ducting, including the SonoFlex-250-10, be installed in lengths of up to 1.5 metres to ensure compliance with Building Regulations and to optimise performance.