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127mm (5 inch) Twin wall flue SFL Sflue (Black)

Sflue is a British made twin wall flue chimney system designed for use on woodburning/multifuel stoves, manufactured by SFL.

  • Twist lock jointing system - secures using locking band
  • 15 year warranty
  • Compatible with Excelsior Plus Twin wall flue systems
  • Operating temperatures up to 450 deg C
  • Insulation thickness 25mm
  • Distance to combustible material 50mm
  • Internal skin is corrosion resistant 316L stainless steel
  • External skin is 304 stainless steel
  • Design allows internal expansion at every joint.
  • Internal joint system prevents moisture draw through
  • HETAS listed for use on solid fuel applications
  • Diameter is internal

Locking band is included with all parts having a female collar

SFL Sflue info

SFL Sflue twin wall flue

Appliance adaptor - 127mm (5inch) Sflue twin wall (blk)

price£ 17.22
(inc VAT) £ 20.66

Use to connect an appliance or stove pipe to the twin wall flue system.

Increasing adaptor 97-127mm - 127mm (5inch) Sflue twin wall (blk

price£ 36.48
(inc VAT) £ 43.78

Increases the appliance outlet size by one diameter. Use to connect an appliance or stove pipe to the twin wall flue system.

Stove adaptor - 127mm (5inch) Sflue twin wall (blk)

price£ 16.18
(inc VAT) £ 19.42

Use to connect your twin wall flue directly onto your stove.

Sflue to flue liner adapter - 127mm (5inch) Sflue twin wall

price£ 40.61
(inc VAT) £ 48.73

Designed to connect a flue liner to Sflue.Use this adapter where the flexible liner goes above the twin wall flue.

1000mm straight length - 127mm (5inch) Sflue twin wall (blk)

price£ 49.45
(inc VAT) £ 59.34

Straight pipe (effective length). Locking band included.

500mm straight length - 127mm (5inch) Sflue twin wall (blk)

price£ 36.33
(inc VAT) £ 43.60

Straight pipe (effective length). Locking band included.

300mm straight length - 127mm (5inch) Sflue twin wall (blk)

price£ 28.83
(inc VAT) £ 34.60

Straight pipe (effective length). Locking band included.

120mm straight length - 127mm (5inch) Sflue twin wall (blk)

price£ 20.54
(inc VAT) £ 24.65

Straight pipe (effective length). Locking band included.

Inspection length -127mm (5inch) Sflue twin wall (blk)

price£ 127.97
(inc VAT) £ 153.56

Allows for cleaning and inspection of the chimney system. Locking band included.

Adjustable length 350-530mm - 127mm (5inch) Sflue (blk)

price£ 89.33
(inc VAT) £ 107.20

Straight pipe adjustable (effective length). Locking band included.

Adjustable length 200-325mm - 127mm (5inch) Sflue (blk)

price£ 60.30
(inc VAT) £ 72.36

Straight pipe adjustable (effective length). Locking band included.

Locking band - 127mm (5inch) Sflue twin wall (blk)

price£ 6.15
(inc VAT) £ 7.38

Locking band for use on all joints.

Locking band micro toggle - 127mm (5inch) Sflue twin wall (blk)

price£ 6.85
(inc VAT) £ 8.22

Locking band with micro toggle adjustment.

Structural locking band -127mm (5inch) Sflue twin wall (blk)

price£ 15.58
(inc VAT) £ 18.70

Provides added security on unsupported stacks up to 2.5m above the final support or wall band.

90 deg tee - 127mm (5inch) Sflue twin wall (blk)

price£ 112.61
(inc VAT) £ 135.13

Allows for cleaning and inspection of the chimney system. Locking band included.

135 deg tee -127mm (5inch) Sflue twin wall (blk)

price£ 134.40
(inc VAT) £ 161.28

Allows for cleaning and inspection of the chimney system. Locking band included.

Tee cap - 127mm (5inch) Sflue twin wall (blk)

price£ 19.28
(inc VAT) £ 23.14

Provides cleaning point for the flue system.

Tee cap with drain -127mm (5inch) Sflue twin wall (blk)

price£ 33.51
(inc VAT) £ 40.21

Provides cleaning and drain point for the flue system.

15 deg bend - 127mm (5inch) Sflue twin wall (blk)

price£ 52.65
(inc VAT) £ 63.18

15 deg elbow allows for a change in direction and can be combined to provide a chimney offset. Locking band included.

30 deg bend - 127mm (5inch) Sflue twin wall (blk)

price£ 52.65
(inc VAT) £ 63.18

30 deg elbow allows for a change in direction and can be combined to provide a chimney offset. Locking band included.

45 deg bend - 127mm (5inch) Sflue twin wall (blk)

price£ 52.65
(inc VAT) £ 63.18

45 deg elbow allows for a change in direction and can be combined to provide a chimney offset. Locking band included.

Firestop spacer - 127mm (5inch) Sflue twin wall (blk)

price£ 10.02
(inc VAT) £ 12.02

Provides location and dust stop where flue passes through non combustible floors.

Ventilated ceiling support - 127mm (5inch) Sflue twin wall (blk)

price£ 112.45
(inc VAT) £ 134.94

Supports and firestops the chimney as it passes through the first combustible floor directly above the appliance. Load bearing.

Ventilated fire stop - 127mm (5inch) Sflue twin wall (blk)

price£ 64.96
(inc VAT) £ 77.95

Used where the chimney passes through the upper combustible floors and where sections below the floor are enclosed within a non combustible shaft. Non load bearing.

Wall band - 127mm (5inch) Sflue twin wall (blk)

price£ 16.78
(inc VAT) £ 20.14

Provides lateral support for the chimney.

Wall band extension arms - Sflue twin wall (blk)

price£ 10.79
(inc VAT) £ 12.95

Used to extend the wall band clearance up to 100mm.

Wall band - heavy duty - 127mm (5inch) Sflue twin wall (blk)

price£ 25.58
(inc VAT) £ 30.70

Wall band heavy duty.

Extension brackets - short - Sflue twin wall (blk)

price£ 23.38
(inc VAT) £ 28.06

Short extension brackets. Total length 324mm. For use with heavy duty wall band.

Extension brackets - medium - Sflue twin wall (blk)

price£ 25.58
(inc VAT) £ 30.70

Medium extension brackets. Total length 395mm. For use with heavy duty wall band.

Extension brackets - long - Sflue twin wall (blk)

price£ 29.81
(inc VAT) £ 35.77

Long extension brackets. Total length 600mm. For use with heavy duty wall band.

Wall support bracket - 127mm (5inch) Sflue twin wall (blk)

price£ 89.24
(inc VAT) £ 107.09

Wall support bracket (base support) supports the vertical load of the chimney when anchored to a suitable wall. Powder coated galvanised steel. Locking band included.

Flue liner to Sflue anchor plate - 127mm (5inch) Sflue twin wall

price£ 21.45
(inc VAT) £ 25.74

Designed to connect a flue liner to Sflue on a capped chimney within the attic space. Use this adapter where the flexible liner goes below the twin wall flue.

Roof - Rafter support - Sflue twin wall

price£ 15.99
(inc VAT) £ 19.19

Adjustable support, allows chimney to be supported on roof joist, trusses and rafters.

Guy wire bracket - 127mm (5inch) Sflue twin wall (blk)

price£ 6.78
(inc VAT) £ 8.14

Guy wire bracket, use with wire to provide lateral stability above the roof line.

Universal guy wire kit

price£ 49.95
(inc VAT) £ 59.94

The Universal guy wire kit provides lateral support to the flue above the roof line. Guy wire bracket needed.

Universal roof brace kit

price£ 64.95
(inc VAT) £ 77.94

The Universal roof brace kit provides lateral support to the flue above the roof line. No guy wire bracket needed.

Rain cap - 127mm (5inch) Sflue twin wall (blk)

price£ 33.41
(inc VAT) £ 40.09

Prevents rain ingress at top of chimney. Locking band included.

Rain cap with mesh - 127mm (5inch) Sflue twin wall (blk)

price£ 48.83
(inc VAT) £ 58.60

Prevents rain and bird ingress at top of chimney. Locking band included.

Storm cowl - 127mm (5inch) Sflue twin wall (blk)

price£ 58.45
(inc VAT) £ 70.14

Provides protection from rain and wind at the top of the chimney. Locking band included.

Top stub - 127mm (5inch) Sflue twin wall (blk)

price£ 34.35
(inc VAT) £ 41.22

Used at the top of a chimney if no rain guard is required. Locking band included.

Storm collar - 127mm (5inch) Sflue twin wall (blk)

price£ 12.85
(inc VAT) £ 15.42

Provides protection from rain and wind at the top of the flashing.

Flashing EPDM Res 1

price£ 27.54
(inc VAT) £ 33.05

This flashing is used to provide a weatherproof seal where the flue passes through a tiled or slate roof.

Flashing silicone Res 1 High Temp

price£ 45.91
(inc VAT) £ 55.09

This flashing is used to provide a weatherproof seal where the flue passes through a tiled or slate roof.

Flashing EPDM Res 1 Lead base

price£ 45.88
(inc VAT) £ 55.06

This flashing is used to provide a weatherproof seal where the flue passes through a tiled or slate roof.

Masterflash EPDM No 7

price£ 44.07
(inc VAT) £ 52.88

This flashing is suitable for sheet metal profiled roofs, flat roofs, boats and caravans. Comes with fixing kit.

Masterflash No 7 High Temp

price£ 60.60
(inc VAT) £ 72.72

This flashing is suitable for sheet metal profiled roofs, flat roofs, boats and caravans. Comes with fixing kit.

Lead slate choose a pitch between 0-35 degrees, for 125mm Sflue twin wall flue

price£ 54.95
(inc VAT) £ 65.94
Pitch:

Select the pitch and pipe dimensions required. Lead slates are used wherever a pipe penetrates a roof, to form a weatherproof joint.

Lead slate choose a pitch between 36-45 degrees, for 125mm Sflue twin wall flue

price£ 57.40
(inc VAT) £ 68.88
Pitch:

Select the pitch and pipe dimensions required. Lead slates are used wherever a pipe penetrates a roof, to form a weatherproof joint.

Lead slate choose a pitch between 46-60 degrees, for 125mm Sflue twin wall flue

price£ 64.19
(inc VAT) £ 77.03
Pitch:

Select the pitch and pipe dimensions required. Lead slates are used wherever a pipe penetrates a roof, to form a weatherproof joint.

Trim collar 90 degree - 127mm (5inch) Sflue twin wall (blk)

price£ 11.96
(inc VAT) £ 14.35

Provides clean finish where the chimney passes through an outside wall at 90 degrees.

Trim collar 45 degree - 127mm (5inch) Sflue twin wall (blk)

price£ 11.96
(inc VAT) £ 14.35

Provides clean finish where the chimney passes through an outside wall at 45 degrees.

Wall sleeve - 127mm (5inch) Sflue twin wall

price£ 28.51
(inc VAT) £ 34.21

Provides protections as flue passes through building structure.