8-Inch Twin Wall Flue Pipes
- High temperature resistance up to 300°C
- One-part, ready-to-use silicone sealant
- Cures with atmospheric moisture for strong bond
- Forms a flexible, highly elastic silicone rubber
- Ideal for sealing in heat-exposed flue installations
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- Dimensions: 760mm (L) x 660mm (W) base size
- Fits internal flue diameters from 125mm to 275mm (5"-8")
- Suitable for roof pitches between 20-45°
- Withstands temperatures up to 135°C
- Durable, cuttable EPDM design for long-lasting performance
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- Enhances chimney draught for easier fire lighting
- Reduces smoke and soot when refueling
- Improves combustion and room heat-up time
- DIY plug-and-play installation
- Durable, corrosion-resistant design
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- Complete kit for securing Masterflash flashings
- Includes 8 screws, drill bit & 80ml silicone
- Fits sizes No.3–No.9 (kit quantity varies)
- CE approved components
- All-in-one solution for quick, clean flashing installation
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PayPal Credit Example of a £500 purchase
Instalments
6 Months (over £99)
- Minimum Spend: £99
- Monthly Instalment: £86.87
- Instalment Rate: 14.9% APR
- Cost of Purchase: £500.00
- Total inc. Interest: £520.57
12 Months (over £99)
- Minimum Spend: £99
- Monthly Instalment: £44.89
- Instalment Rate: 14.9% APR
- Cost of Purchase: £500.00
- Total inc. Interest: £538.64
24 Months (over £199)
- Minimum Spend: £199
- Monthly Instalment: £24.00
- Instalment Rate: 14.9% APR
- Cost of Purchase: £500.00
- Total inc. Interest: £575.98
36 Months (over £499)
- Minimum Spend: £499
- Monthly Instalment: £17.09
- Instalment Rate: 14.9% APR
- Cost of Purchase: £500.00
- Total inc. Interest: £614.93
0% for 4 Months
4 Months (over £99)
- Minimum Spend: Over £99
- Monthly Instalment: min monthly payment
- Instalment Rate: 0% APR
- Cost of Purchase: £500.00
- Total inc. Interest: £500.00
Representative Example
Purchase rate: 23.9% p.a. (variable)Representative: 23.9% APR (variable)
Assumed Credit Limit: £1,200
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200mm Twin Wall Flue Pipes
Twin wall chimney flue systems are used when there is no constructed chimney available. They’re generally used in new build properties built without chimneys, but also in conversions and renovations where the chimney stack has been removed or the wood-burning stove’s desired position is not where the chimney is located.
An insulated flue system is a lower-cost alternative for removing the smoke and flue gases from wood-burning and multi-fuel stoves than building a stone or brick chimney. Our HETAS-approved 8-inch or 200mm twin wall flue is simple, clean, and easy to install — it requires only a competent person to fit; such as a HETAS-qualified installer.
Double-walled twin wall flues of any size can be used both indoors and outdoors and often pass through walls, floors, and roofs. The twin wall flue system is waterproof, corrosion-resistant, and is made from stainless steel but it can be powder coated black to suit your style.
There are 8-inch twin wall flues to suit any requirement in this range, whether it be long, short, or adjustable lengths, or for 15, 30, or 45 degree angled bends. We also supply 5-inch, 6-inch, and 7-inch flues for smaller burners, as well as a large selection of flashings, brackets and chimney pot cowls.
Frequently Asked Questions
What is an 8-inch twin wall flue pipe used for?An 8-inch twin wall flue pipe is used in installations where no constructed chimney is available, such as new builds, conversions, or renovations where the chimney has been removed. It is designed to safely remove smoke and flue gases from wood-burning and multi-fuel stoves. These pipes can be used both indoors and outdoors, often passing through walls, floors, and roofs.
Do I need a professional to install an 8-inch twin wall flue pipe?Yes, while the system is simple and easy to install, it must be fitted by a competent person, such as a HETAS-qualified installer, to ensure safety and compliance with regulations.
Are 8-inch twin wall flue pipes durable and weatherproof?Yes, twin wall flue pipes are made from stainless steel, making them waterproof, corrosion-resistant, and highly durable. They can also be powder-coated black to match your design aesthetic. These features make them suitable for both indoor and outdoor installations.
All our chimney products are available to purchase online with fast and free delivery options available.
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