Skip to content

Twin Wall Flue

GR8 Fires stock a wide range of Twin Wall Flue accessories, including Spacers, Bands, Brackets, T-Sections and Plates, in a wide range sizes (5 inch, 6 inch and 7 inch diameters).

  • Original price £25.00 - Original price £25.00
    Original price
    £25.00
    £25.00 - £25.00
    Current price £25.00

    6 Inch (150mm) Twin Wall Decorative Wall / Ceiling Plate

    Gr8 Fires
    In stock

    6 inch Twin Wall Decorative Wall / Ceiling Plate ( 45 degrees)For use where the twin wall flue passes through a wall or ceiling at 45 Degrees only ...

    View full details
    Original price £25.00 - Original price £25.00
    Original price
    £25.00
    £25.00 - £25.00
    Current price £25.00
  • Original price £34.00 - Original price £34.00
    Original price
    £34.00
    £34.00 - £34.00
    Current price £34.00

    5 Inch (125mm) Black Twin Wall Decorative Wall / Ceiling Plate

    Gr8 Fires
    In stock

    5 inch Black Twin Wall Decorative Wall/ Ceiling Plate (45 degrees)Black / Powder BlackFor use where the twin wall flue passes through a wall or cei...

    View full details
    Original price £34.00 - Original price £34.00
    Original price
    £34.00
    £34.00 - £34.00
    Current price £34.00
  • Original price £38.00 - Original price £38.00
    Original price
    £38.00
    £38.00 - £38.00
    Current price £38.00

    6 Inch (150mm) Black Twin Wall Decorative Wall / Ceiling Plate

    Gr8 Fires
    In stock

    6 inch Black Twin Wall Decorative Wall/ Ceiling Plate (45 degrees)Black/ Anthracite ColourFor use where the twin wall flue passes through a wall or...

    View full details
    Original price £38.00 - Original price £38.00
    Original price
    £38.00
    £38.00 - £38.00
    Current price £38.00
  • Original price £38.00 - Original price £38.00
    Original price
    £38.00
    £38.00 - £38.00
    Current price £38.00

    6 Inch (150mm) Black Twin Wall Flat Ceiling / Wall Plate

    Gr8 Fires
    In stock

    6 inch Black Twin Wall Flat Ceiling / Wall PlateIs used to tidy the area around the flue as it passes through a non-combustible wall or ceiling. Th...

    View full details
    Original price £38.00 - Original price £38.00
    Original price
    £38.00
    £38.00 - £38.00
    Current price £38.00
  • Original price £34.00 - Original price £34.00
    Original price
    £34.00
    £34.00 - £34.00
    Current price £34.00

    5 Inch (125mm) Black Twin Wall Flat Ceiling / Wall Plate

    Gr8 Fires
    In stock

    5 inch Black Twin Wall Flat Ceiling / Wall PlateBlack / Powder BlackIs used to tidy the area around the flue as it passes through a non-combustible...

    View full details
    Original price £34.00 - Original price £34.00
    Original price
    £34.00
    £34.00 - £34.00
    Current price £34.00
  • Original price £30.00 - Original price £30.00
    Original price
    £30.00
    £30.00 - £30.00
    Current price £30.00

    5 Inch (125mm) Twin Wall Flat Ceiling / Wall Plate

    Gr8 Fires
    In stock

    5 inch Twin Wall Flat Ceiling / Wall PlateIs used to tidy the area around the flue as it passes through a non-combustible wall. This plate is attac...

    View full details
    Original price £30.00 - Original price £30.00
    Original price
    £30.00
    £30.00 - £30.00
    Current price £30.00
  • Original price £25.00 - Original price £25.00
    Original price
    £25.00
    £25.00 - £25.00
    Current price £25.00

    6 Inch (150mm) Twin Wall Flat Ceiling / Wall Plate

    Gr8 Fires
    In stock

    6 inch Twin Wall Flat Ceiling / Wall PlateUsed to tidy the area around the flue as it passes through a non-combustible wall. This plate is attached...

    View full details
    Original price £25.00 - Original price £25.00
    Original price
    £25.00
    £25.00 - £25.00
    Current price £25.00
  • Original price £18.00 - Original price £18.00
    Original price
    £18.00
    £18.00 - £18.00
    Current price £18.00

    6 inch (150mm) Twin Wall Wall Bracket

    Gr8 Fires
    In stock

    6 inch Twin Wall Wall BracketShould be used for lateral support only - not for supporting the weight of the flueTwist and lock twin wall flue syste...

    View full details
    Original price £18.00 - Original price £18.00
    Original price
    £18.00
    £18.00 - £18.00
    Current price £18.00
  • Original price £27.50 - Original price £27.50
    Original price
    £27.50
    £27.50 - £27.50
    Current price £27.50

    5 Inch (125mm) Black Twin Wall Adjustable Wall Bracket 50-80mm Inc Locking Band

    Gr8 Fires
    In stock

    5 inch Black Twin Wall Adjustable Wall Bracket 50-80mmBlack / Powder Black Twist and lock twin wall flue systems tested to EN1856-1 T600 N1 D V2 L5...

    View full details
    Original price £27.50 - Original price £27.50
    Original price
    £27.50
    £27.50 - £27.50
    Current price £27.50
  • Original price £28.00 - Original price £28.00
    Original price
    £28.00
    £28.00 - £28.00
    Current price £28.00

    6 Inch (150mm) Black Twin Wall Adjustable Wall Bracket 50-80mm

    Gr8 Fires
    In stock

    6 inch Black Twin Wall Adjustable Wall Bracket 50-80mmBlack/ Anthracite ColourTwist and lock twin wall flue systems tested to EN1856-1 T600 N1 D V2...

    View full details
    Original price £28.00 - Original price £28.00
    Original price
    £28.00
    £28.00 - £28.00
    Current price £28.00
  • Original price £22.00 - Original price £22.00
    Original price
    £22.00
    £22.00 - £22.00
    Current price £22.00

    5 Inch (125mm) Black Twin Wall Wall Bracket

    Gr8 Fires
    In stock

    5 inch Black Twin Wall Wall Bracket

    Original price £22.00 - Original price £22.00
    Original price
    £22.00
    £22.00 - £22.00
    Current price £22.00
  • Original price £25.00 - Original price £25.00
    Original price
    £25.00
    £25.00 - £25.00
    Current price £25.00

    6 Inch (150mm) Black Twin Wall Wall Bracket Inc Locking Band

    Gr8 Fires
    In stock

    6 inch Black Twin Wall Wall Bracket Black/ Anthracite ColourShould be used for lateral support only - not for supporting the weight of the flueTwis...

    View full details
    Original price £25.00 - Original price £25.00
    Original price
    £25.00
    £25.00 - £25.00
    Current price £25.00
  • Original price £11.12 - Original price £11.12
    Original price
    £11.12
    £11.12 - £11.12
    Current price £11.12

    5 Inch (125mm) Black Twin Wall Inc Locking Band

    Gr8 Fires
    In stock

    5 inch Black Twin Wall Locking BandBlack/ Powder Black*Please note all twin wall flue parts now come with the locking band already added*Twist and ...

    View full details
    Original price £11.12 - Original price £11.12
    Original price
    £11.12
    £11.12 - £11.12
    Current price £11.12
  • Original price £11.12 - Original price £11.12
    Original price
    £11.12
    £11.12 - £11.12
    Current price £11.12

    6 Inch (150mm) Black Twin Wall Inc Locking Band

    Gr8 Fires
    In stock

    6 inch Black Twin Wall Locking BandBlack/ Anthracite Colour*Please note all twin wall flue parts now come with the locking band already added*Twist...

    View full details
    Original price £11.12 - Original price £11.12
    Original price
    £11.12
    £11.12 - £11.12
    Current price £11.12
  • Original price £97.42 - Original price £97.42
    Original price
    £97.42
    £97.42 - £97.42
    Current price £97.42

    6 Inch (150mm) Black Twin Wall Ventilated Support Plate

    Gr8 Fires
    Low stock

    6 inch Twin Wall Black Ventilated Support PlateDesigned for use with domestic and commercial use on gas oil and solid and Multi Fuel installations ...

    View full details
    Original price £97.42 - Original price £97.42
    Original price
    £97.42
    £97.42 - £97.42
    Current price £97.42
  • Original price £40.00 - Original price £40.00
    Original price
    £40.00
    £40.00 - £40.00
    Current price £40.00

    45 Degree Wall Sleeve for 6 Inch (150mm) Twin Wall Flue

    Gr8 Fires
    In stock

    45 Degree Wall Sleeve for 6 inch Twin Wall Flue 45 degree slash cut sleeve Wall sleeve protects flue where it passes through a wall. Max length 550...

    View full details
    Original price £40.00 - Original price £40.00
    Original price
    £40.00
    £40.00 - £40.00
    Current price £40.00
  • Original price £83.50 - Original price £83.50
    Original price
    £83.50
    £83.50 - £83.50
    Current price £83.50

    5 Inch (125mm) Black Twin Wall Roof Brace Kit

    Gr8 Fires
    In stock

    5 inch Black Twin Wall Roof Brace KitUsed to support the weight of twin wall flue on a roof.Length: 1710mmEN1856-1 T600 N1 D V2 L50050 G50Twin Wall...

    View full details
    Original price £83.50 - Original price £83.50
    Original price
    £83.50
    £83.50 - £83.50
    Current price £83.50
  • Original price £130.00 - Original price £130.00
    Original price
    £130.00
    £130.00 - £130.00
    Current price £130.00

    6 Inch (150mm) Black Twin Wall Base Wall Support

    Gr8 Fires
    In stock

    6 inch Black Twin Wall Base Wall SupportBlack/ Anthracite ColourThe Adjustable Wall Support is used at the base of an external stack to support the...

    View full details
    Original price £130.00 - Original price £130.00
    Original price
    £130.00
    £130.00 - £130.00
    Current price £130.00
  • Original price £80.00 - Original price £80.00
    Original price
    £80.00
    £80.00 - £80.00
    Current price £80.00

    6 Inch (150mm) Black Twin Wall Adjustable Wall Bracket 210-310mmn Inc Locking band

    MI Flues
    In stock

    6 inch Black Twin Wall Adjustable Wall Bracket 210-310mmAdjustable wall bracket to secure the flue to the wall.Adjustable between 200mm and 310mm.O...

    View full details
    Original price £80.00 - Original price £80.00
    Original price
    £80.00
    £80.00 - £80.00
    Current price £80.00
  • Original price £130.00 - Original price £130.00
    Original price
    £130.00
    £130.00 - £130.00
    Current price £130.00

    6 Inch (150mm) Black Tapered Appliance Connector Inc Locking Band

    Gr8 Fires
    In stock

    6 inch Black Tapered Appliance ConnectorBlack/ Anthracite ColourProvides a smooth transistion between the 6 inch single wall flue pipe and 6 inch t...

    View full details
    Original price £130.00 - Original price £130.00
    Original price
    £130.00
    £130.00 - £130.00
    Current price £130.00
  • Original price £115.00 - Original price £115.00
    Original price
    £115.00
    £115.00 - £115.00
    Current price £115.00

    6 Inch Black Twin Wall Adjustable Pipe 300-500MM

    Gr8 Fires
    In stock

    VTec 6 inch Black Twin Wall Adjustable Pipe 300-500Black/ Anthracite ColourVTec Twist and lock twin wall flue systems tested to EN1856-1 T600 N1 D ...

    View full details
    Original price £115.00 - Original price £115.00
    Original price
    £115.00
    £115.00 - £115.00
    Current price £115.00
  • Original price £125.00 - Original price £125.00
    Original price
    £125.00
    £125.00 - £125.00
    Current price £125.00

    5 Inch (125mm) Black Twin Wall Base Wall Support

    Gr8 Fires
    In stock

    5 inch Black Twin Wall Base Wall SupportBlack / Powder BlackThe Adjustable Wall Support is used at the base of an external stack to support the wei...

    View full details
    Original price £125.00 - Original price £125.00
    Original price
    £125.00
    £125.00 - £125.00
    Current price £125.00
  • Original price £75.00 - Original price £75.00
    Original price
    £75.00
    £75.00 - £75.00
    Current price £75.00

    5 Inch (125mm) Twin Wall Adjustable Wall Bracket 200-310mm Inc Locking Band

    Gr8 Fires
    In stock

    5 inch Twin Wall Adjustable Wall Bracket 200-310mmTwist and lock twin wall flue systems tested to EN1856-1 T600 N1 D V2 L50050 G50. 5 inch Adjusta...

    View full details
    Original price £75.00 - Original price £75.00
    Original price
    £75.00
    £75.00 - £75.00
    Current price £75.00
  • Original price £40.00 - Original price £40.00
    Original price
    £40.00
    £40.00 - £40.00
    Current price £40.00

    6 Inch (150mm) Twin Wall Adjustable Wall Bracket 210-310mm Inc Locking Band

    MI Flues
    In stock

    6 inch Twin Wall Adjustable Wall Bracket 210-310mmAdjustable wall bracket to secure the flue to the wall.Adjustable between 200mm and 310mm.Offers ...

    View full details
    Original price £40.00 - Original price £40.00
    Original price
    £40.00
    £40.00 - £40.00
    Current price £40.00
  • Original price £60.00 - Original price £60.00
    Original price
    £60.00
    £60.00 - £60.00
    Current price £60.00

    5 Inch (125mm) Tapered Appliance Connector Inc Locking Band

    Gr8 Fires
    In stock

    5 inch Tapered Appliance ConnectorProvides a smooth transition between the 5 inch single wall flue pipe and 5 inch twin wall flue pipe. Includes lo...

    View full details
    Original price £60.00 - Original price £60.00
    Original price
    £60.00
    £60.00 - £60.00
    Current price £60.00
  • Original price £100.00 - Original price £100.00
    Original price
    £100.00
    £100.00 - £100.00
    Current price £100.00

    6 Inch (150mm) Tapered Appliance Connector Inc Locking Band

    Gr8 Fires
    In stock

    6 inch Tapered Appliance ConnectorProvides a smooth transistion between the 6 inch single wall flue pipe and 6 inch twin wall flue pipe.Includes lo...

    View full details
    Original price £100.00 - Original price £100.00
    Original price
    £100.00
    £100.00 - £100.00
    Current price £100.00
  • Original price £90.44 - Original price £90.44
    Original price
    £90.44
    £90.44 - £90.44
    Current price £90.44

    5 Inch (125mm) Black Twin Wall Ventilated Support Plate

    Gr8 Fires
    In stock

    5 inch Twin Wall Black Ventilated Support PlateDesigned for use with domestic and commercial use on gas oil and solid and Multi Fuel installations ...

    View full details
    Original price £90.44 - Original price £90.44
    Original price
    £90.44
    £90.44 - £90.44
    Current price £90.44
  • Original price £14.40 - Original price £14.40
    Original price
    £14.40
    £14.40 - £14.40
    Current price £14.40

    5 Inch Black Twin Wall Flue Tee Cap Only

    Gr8 Fires
    In stock

    5 inch Black Twin Wall Flue Tee Cap Only

    Original price £14.40 - Original price £14.40
    Original price
    £14.40
    £14.40 - £14.40
    Current price £14.40
  • Original price £70.00 - Original price £70.00
    Original price
    £70.00
    £70.00 - £70.00
    Current price £70.00

    6 Inch (150mm) Twin Wall to Flexi Connector

    VTec Flue Systems
    In stock

    6 inch (150mm) Twin Wall to Flexi Connector Use this item to connect from a 6 inch insulated pipe to flexible 6 inch liner. This part will only wor...

    View full details
    Original price £70.00 - Original price £70.00
    Original price
    £70.00
    £70.00 - £70.00
    Current price £70.00
  • Original price £34.00 - Original price £34.00
    Original price
    £34.00
    £34.00 - £34.00
    Current price £34.00

    5 Inch Twin Wall Flue Tee Cap Only

    VTec Flue Systems
    In stock

    5 inch Twin Wall Flue Tee Cap Only

    Original price £34.00 - Original price £34.00
    Original price
    £34.00
    £34.00 - £34.00
    Current price £34.00
  • Original price £55.67 - Original price £55.67
    Original price
    £55.67
    £55.67 - £55.67
    Current price £55.67

    5 Inch (125mm) Twin Wall Ventilated Fire Stop

    Gr8 Fires
    In stock

    5 inch Twin Wall Ventilated Fire StopTwist and lock twin wall flue systems tested to EN1856-1 T600 N1 D V2 L50050 G50. Twin Wall flue is manufactur...

    View full details
    Original price £55.67 - Original price £55.67
    Original price
    £55.67
    £55.67 - £55.67
    Current price £55.67
  • Original price £90.00 - Original price £90.00
    Original price
    £90.00
    £90.00 - £90.00
    Current price £90.00

    6 Inch (150mm) Twin Wall Flue Fire Stop Kit Ventilated

    Gr8 Fires
    In stock

    Our fire stop kit includes all parts needed for passing your twin wall flue system up between floors in your house and includes: A vented top supp...

    View full details
    Original price £90.00 - Original price £90.00
    Original price
    £90.00
    £90.00 - £90.00
    Current price £90.00
  • Original price £78.00 - Original price £84.00
    Original price
    £78.00 - £84.00
    £78.00 - £84.00
    Current price £78.00

    5 Inch (125mm) Twin Wall Flue Fire Stop Kit

    Gr8 Fires
    In stock

    Our fire stop kit includes all parts needed for passing your twin wall flue system up between floors in your house and includes: A vented top supp...

    View full details
    Original price £78.00 - Original price £84.00
    Original price
    £78.00 - £84.00
    £78.00 - £84.00
    Current price £78.00
  • Original price £84.00 - Original price £84.00
    Original price
    £84.00
    £84.00 - £84.00
    Current price £84.00

    6 Inch (150mm) Twin Wall Flue Fire Stop Kit Unventilated

    Gr8 Fires
    In stock

    Our fire stop kit includes all parts needed for passing your twin wall flue system up between floors in your house and includes: A vented top supp...

    View full details
    Original price £84.00 - Original price £84.00
    Original price
    £84.00
    £84.00 - £84.00
    Current price £84.00
  • Original price £62.62 - Original price £62.62
    Original price
    £62.62
    £62.62 - £62.62
    Current price £62.62

    6 Inch (150mm) Twin Wall Ventilated Fire Stop

    Gr8 Fires
    In stock

    6 inch Twin Wall Ventilated Fire StopTwist and lock twin wall flue systems tested to EN1856-1 T600 N1 D V2 L50050 G50.Twin Wall flue is manufacture...

    View full details
    Original price £62.62 - Original price £62.62
    Original price
    £62.62
    £62.62 - £62.62
    Current price £62.62
  • Original price £24.00 - Original price £24.00
    Original price
    £24.00
    £24.00 - £24.00
    Current price £24.00

    5 Inch Twin Wall Structural Locking Band

    VTec Flue Systems
    In stock

    5" Inch Sturctural Locking Band See attached for the BFMCA guidance document which references Document J of the building regs. On page 9 under head...

    View full details
    Original price £24.00 - Original price £24.00
    Original price
    £24.00
    £24.00 - £24.00
    Current price £24.00