What is COMBI ducting?
COMBI ducting is flexible ventilation ducting with a reinforced outer construction, providing a practical way to connect ventilation equipment while retaining the flexibility required for installation.
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254mm (10”) x 10m COMBI Ducting - Reinforced Flexible Ventilation Duct
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1699
£16.99
Unit price perEstimated delivery between November 01 and November 03.
254mm (10") x 10m COMBI Ducting is a large-diameter flexible reinforced ventilation duct designed for reliable air movement in extraction and intake systems.
COMBI ducting combines the flexibility required for straightforward installation with a more robust outer construction than basic foil ducting. It provides a practical solution for connecting ventilation equipment where rigid ductwork would be difficult or unnecessary.
The flexible construction allows the duct to be extended, routed around equipment and cut to the required length. Its 254mm diameter makes it particularly suitable for higher-airflow ventilation systems using correspondingly sized fans, filters and fittings.
Supplied in a generous 10 metre length, it can be installed as a longer continuous duct run or divided into several shorter sections to suit the ventilation layout.
Why choose COMBI ducting?
- Reinforced flexible construction - combines practical flexibility with a more robust outer construction than basic foil ducting.
- 254mm / 10" diameter - designed for compatible large-diameter round ventilation systems.
- 10 metre length - suitable for longer duct runs or cutting into several shorter sections.
- Suitable for extraction - provides a flexible airflow path between compatible extraction components.
- Suitable for air intake - can also be incorporated into compatible fresh-air intake systems.
- Large airflow capacity - the 254mm diameter is suitable for ventilation systems designed to move substantial volumes of air.
- Flexible routing - easier to position around equipment and changes in direction than rigid ductwork.
- Can be cut to length - use only the amount required for a neat and efficient installation.
- Compatible with ventilation equipment - suitable for matching fans, filters, connectors and round duct fittings.
Large-diameter flexible ventilation ducting
The diameter of a ventilation system has a significant influence on the volume of air it can move efficiently. This 254mm COMBI ducting is intended for larger ventilation installations where compatible 10-inch fans, filters and fittings are being used.
It can be used to create flexible connections between ventilation components in propagation facilities, nurseries, growing areas, controlled environments and other applications requiring dependable air extraction or intake.
The 10 metre length provides additional flexibility when planning larger installations and can be divided into individual sections where several duct connections are required.
Installing 254mm COMBI ducting
Plan the duct route before making the final connections and cut the ducting to the length actually required. Keeping the route reasonably short and direct helps minimise unnecessary airflow resistance.
Avoid excessively tight bends, severe compression or crushing the duct. Restrictions within the airflow path can increase resistance and reduce the effective performance of the ventilation system.
Fit the duct securely over compatible 254mm connections and use an appropriately sized ducting clip or clamp to provide a reliable mechanical fixing. Suitable HVAC foil tape can also be used where additional air sealing is required.
Longer horizontal runs should be supported at suitable intervals to reduce sagging and help maintain a clear airflow path.
Getting the best airflow from 254mm ducting
Fan performance is affected by the complete ventilation route. Duct length, bends, filters, reducers, connectors and other fittings all introduce resistance, so careful duct routing can make a significant difference to system performance.
Extend flexible ducting properly and keep it as straight as practical. Where a direction change is required, use a gradual bend rather than sharply folding or compressing the duct.
There is no need to use the entire 10 metre length where a shorter run will do the job. Cutting the duct to the required length helps avoid unnecessary resistance and creates a cleaner installation.
254mm (10") x 10m COMBI Ducting product details
| Product type | Reinforced flexible ventilation ducting |
|---|---|
| Nominal diameter | 254mm / 10" |
| Length | 10m |
| Duct type | Flexible |
| Primary purpose | Air extraction & intake ventilation |
| Compatible system size | Nominal 254mm / 10" round ventilation systems |
| Suitable connections | Compatible fans, filters, connectors, reducers & round ventilation fittings |
| Suitable applications | Controlled environment, propagation, nursery, growing area & general ventilation installations |
254mm (10") x 10m COMBI Ducting FAQs
What diameter is this COMBI ducting?
This version has a nominal diameter of 254mm, commonly referred to as 10-inch ducting.
How long is the ducting?
This product is supplied as a 10 metre length.
What is 254mm ducting typically used for?
Its large diameter makes it suitable for compatible higher-airflow extraction and intake systems using correspondingly sized ventilation equipment.
Can it be connected to a 10-inch extraction fan?
Yes. It can be used with a compatible fan designed for a nominal 254mm / 10" duct connection.
Can 254mm COMBI ducting connect to an air filter?
Yes. It can be connected to compatible 254mm filters or incorporated into systems using suitable reducers and adapters where component sizes differ.
Can COMBI ducting be used for air intake?
Yes. It is suitable for both extraction and intake applications within an appropriately designed ventilation system.
Can I cut the 10m duct into shorter lengths?
Yes. The ducting can be cut to suit the installation, making the 10 metre length useful where several separate sections are required.
Do I need to use the entire 10m length?
No. Use only the length required for the installation. Keeping duct runs reasonably short and direct can help reduce unnecessary airflow resistance.
How should 254mm COMBI ducting be attached?
Fit the duct over the compatible connection and secure it using an appropriately sized ducting clip or clamp. HVAC foil tape can be used where additional air sealing is required.
Can this ducting bend around obstacles?
Yes. Its flexible construction allows it to be routed around equipment and obstacles, although gradual bends are preferable to tight folds.
Do bends reduce airflow?
Tight bends, excessive duct length and compressed sections can increase airflow resistance. Keeping the route direct and unrestricted helps maintain system performance.
Can I use a reducer with 254mm COMBI ducting?
Yes. A suitable ventilation reducer can be used to transition between different duct diameters where required by the system design.
Should long runs of flexible ducting be supported?
Yes. Supporting longer duct runs helps prevent excessive sagging and keeps the intended airflow path open.
Is COMBI ducting the same as acoustic ducting?
No. COMBI ducting is primarily a reinforced flexible air duct. Acoustic ducting incorporates additional insulation specifically intended to help reduce transmitted fan and airflow noise.
254mm (10”) x 10m COMBI Ducting - Reinforced Flexible Ventilation Duct
Please sign in to see pricing
1699
£16.99
Unit price perBack in Stock
Sign up to be the first to know when it's back in stock.
254mm (10") x 10m COMBI Ducting is a large-diameter flexible reinforced ventilation duct designed for reliable air movement in extraction and intake systems.
COMBI ducting combines the flexibility required for straightforward installation with a more robust outer construction than basic foil ducting. It provides a practical solution for connecting ventilation equipment where rigid ductwork would be difficult or unnecessary.
The flexible construction allows the duct to be extended, routed around equipment and cut to the required length. Its 254mm diameter makes it particularly suitable for higher-airflow ventilation systems using correspondingly sized fans, filters and fittings.
Supplied in a generous 10 metre length, it can be installed as a longer continuous duct run or divided into several shorter sections to suit the ventilation layout.
Why choose COMBI ducting?
- Reinforced flexible construction - combines practical flexibility with a more robust outer construction than basic foil ducting.
- 254mm / 10" diameter - designed for compatible large-diameter round ventilation systems.
- 10 metre length - suitable for longer duct runs or cutting into several shorter sections.
- Suitable for extraction - provides a flexible airflow path between compatible extraction components.
- Suitable for air intake - can also be incorporated into compatible fresh-air intake systems.
- Large airflow capacity - the 254mm diameter is suitable for ventilation systems designed to move substantial volumes of air.
- Flexible routing - easier to position around equipment and changes in direction than rigid ductwork.
- Can be cut to length - use only the amount required for a neat and efficient installation.
- Compatible with ventilation equipment - suitable for matching fans, filters, connectors and round duct fittings.
Large-diameter flexible ventilation ducting
The diameter of a ventilation system has a significant influence on the volume of air it can move efficiently. This 254mm COMBI ducting is intended for larger ventilation installations where compatible 10-inch fans, filters and fittings are being used.
It can be used to create flexible connections between ventilation components in propagation facilities, nurseries, growing areas, controlled environments and other applications requiring dependable air extraction or intake.
The 10 metre length provides additional flexibility when planning larger installations and can be divided into individual sections where several duct connections are required.
Installing 254mm COMBI ducting
Plan the duct route before making the final connections and cut the ducting to the length actually required. Keeping the route reasonably short and direct helps minimise unnecessary airflow resistance.
Avoid excessively tight bends, severe compression or crushing the duct. Restrictions within the airflow path can increase resistance and reduce the effective performance of the ventilation system.
Fit the duct securely over compatible 254mm connections and use an appropriately sized ducting clip or clamp to provide a reliable mechanical fixing. Suitable HVAC foil tape can also be used where additional air sealing is required.
Longer horizontal runs should be supported at suitable intervals to reduce sagging and help maintain a clear airflow path.
Getting the best airflow from 254mm ducting
Fan performance is affected by the complete ventilation route. Duct length, bends, filters, reducers, connectors and other fittings all introduce resistance, so careful duct routing can make a significant difference to system performance.
Extend flexible ducting properly and keep it as straight as practical. Where a direction change is required, use a gradual bend rather than sharply folding or compressing the duct.
There is no need to use the entire 10 metre length where a shorter run will do the job. Cutting the duct to the required length helps avoid unnecessary resistance and creates a cleaner installation.
254mm (10") x 10m COMBI Ducting product details
| Product type | Reinforced flexible ventilation ducting |
|---|---|
| Nominal diameter | 254mm / 10" |
| Length | 10m |
| Duct type | Flexible |
| Primary purpose | Air extraction & intake ventilation |
| Compatible system size | Nominal 254mm / 10" round ventilation systems |
| Suitable connections | Compatible fans, filters, connectors, reducers & round ventilation fittings |
| Suitable applications | Controlled environment, propagation, nursery, growing area & general ventilation installations |
254mm (10") x 10m COMBI Ducting FAQs
What is COMBI ducting?
COMBI ducting is flexible ventilation ducting with a reinforced outer construction, providing a practical way to connect ventilation equipment while retaining the flexibility required for installation.
What diameter is this COMBI ducting?
This version has a nominal diameter of 254mm, commonly referred to as 10-inch ducting.
How long is the ducting?
This product is supplied as a 10 metre length.
What is 254mm ducting typically used for?
Its large diameter makes it suitable for compatible higher-airflow extraction and intake systems using correspondingly sized ventilation equipment.
Can it be connected to a 10-inch extraction fan?
Yes. It can be used with a compatible fan designed for a nominal 254mm / 10" duct connection.
Can 254mm COMBI ducting connect to an air filter?
Yes. It can be connected to compatible 254mm filters or incorporated into systems using suitable reducers and adapters where component sizes differ.
Can COMBI ducting be used for air intake?
Yes. It is suitable for both extraction and intake applications within an appropriately designed ventilation system.
Can I cut the 10m duct into shorter lengths?
Yes. The ducting can be cut to suit the installation, making the 10 metre length useful where several separate sections are required.
Do I need to use the entire 10m length?
No. Use only the length required for the installation. Keeping duct runs reasonably short and direct can help reduce unnecessary airflow resistance.
How should 254mm COMBI ducting be attached?
Fit the duct over the compatible connection and secure it using an appropriately sized ducting clip or clamp. HVAC foil tape can be used where additional air sealing is required.
Can this ducting bend around obstacles?
Yes. Its flexible construction allows it to be routed around equipment and obstacles, although gradual bends are preferable to tight folds.
Do bends reduce airflow?
Tight bends, excessive duct length and compressed sections can increase airflow resistance. Keeping the route direct and unrestricted helps maintain system performance.
Can I use a reducer with 254mm COMBI ducting?
Yes. A suitable ventilation reducer can be used to transition between different duct diameters where required by the system design.
Should long runs of flexible ducting be supported?
Yes. Supporting longer duct runs helps prevent excessive sagging and keeps the intended airflow path open.
Is COMBI ducting the same as acoustic ducting?
No. COMBI ducting is primarily a reinforced flexible air duct. Acoustic ducting incorporates additional insulation specifically intended to help reduce transmitted fan and airflow noise.
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1699
£16.99
Unit price per