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4 inch (100mm) Twin wall flue Dinak DW (Black)

Dinak DW is a class 1 Twin wall flue system manufactured in Europe. This Twin wall flue is suitable for use with wood, coal, gas and oil appliances - Stainless steel - The Dinak Twin wall flue system is also perfect for biomass boiler installations.

  • Push fit jointing system - secures using locking band
  • 10 year warranty
  • 30mm of insulation
  • Distance to combustible material 60mm
  • Internal joint system prevents moisture draw through
  • HETAS listed for use on solid fuel applications
  • Diameter is internal

Note: 4 inch twin wall components come supplied with a rubber joint seal fitted - this needs to be removed for non condensing installlations

Please allow 10 days for delivery on these items - as they are coated to order

Dinak Twin wall flue stainless and black powder coated systems are fully interchangeable.

Note: For more information see the Twin wall flue Technical Guide.

Dinak DW info

Adapter to vitreous (4 inch) - Twin wall flue black

price£ 55.23
(inc VAT) £ 66.28

Adapter used to change from 4 inch vitreous to DW twin wall. Requires a locking band.

Boiler adapter (4 inch) - Twin wall flue

price£ 32.58
(inc VAT) £ 39.10

Adapter used to connect your boiler to twin wall flue. Requires a locking band.

Straight length (4 inch) 1000mm - Twin wall flue black

price£ 86.28
(inc VAT) £ 103.54

Straight length pipe, 1000mm. (940mm effective length) Requires a locking band.

Straight length (4 inch) 500mm - Twin wall flue black

price£ 56.72
(inc VAT) £ 68.06

Straight length pipe, 500mm. (440mm effective length) Requires a locking band.

Straight length (4 inch) 330mm - Twin wall flue black

price£ 49.01
(inc VAT) £ 58.81

Straight length pipe, 330mm. (270mm effective length) Requires a locking band.

Straight length (4 inch) 200mm - Twin wall flue black

price£ 42.10
(inc VAT) £ 50.52

Straight length pipe, 200mm. (140mm effective length) Requires a locking band.

Long adjustable pipe (4 inch) 880-530mm - Twin wall flue black

price£ 105.12
(inc VAT) £ 126.14

Telescopic adjustable pipe, 880mm - 530mm. Requires a locking band.

Medium adjustable pipe (4 inch) 530-350mm - Twin wall flue black

price£ 83.11
(inc VAT) £ 99.73

Telescopic adjustable pipe, 530mm - 350mm. Requires a locking band.

Short adjustable pipe (4 inch) 380-250mm - Twin wall flue black

price£ 80.80
(inc VAT) £ 96.96

Telescopic adjustable pipe, 380mm - 250mm. Requires a locking band.

90 degree elbow (4 inch) - Twin wall flue black

price£ 119.01
(inc VAT) £ 142.81

90 degree elbow allows for a 90 degree change in direction. Requires a locking band.

45 degree elbow (4 inch) - Twin wall flue black

price£ 62.17
(inc VAT) £ 74.60

45 degree elbow allows for a 45 degree change in direction. Requires a locking band.

30 degree elbow (4 inch) - Twin wall flue black

price£ 70.03
(inc VAT) £ 84.04

30 degree elbow allows for a 30 degree change in direction. Requires a locking band.

15 degree elbow (4 inch) - Twin wall flue black

price£ 70.03
(inc VAT) £ 84.04

15 degree elbow allows for a 15 degree change in direction. Requires a locking band.

90 degree tee (4 inch) - Twin wall flue black

price£ 100.39
(inc VAT) £ 120.47

90 degree tee provides cleaning access at the base of the flue. Requires a locking band.

Tee cap (4 inch) - Twin wall flue black

price£ 40.16
(inc VAT) £ 48.19

Tee cap is used to close off and provide cleaning access at the base of a tee. Requires a locking band.

Tee cap with drain (4 inch) - Twin wall flue black

price£ 52.56
(inc VAT) £ 63.07

Tee cap with drain is used to close off and provide a drain point at the base of the flue. Requires a locking band.

Locking band (4 inch) - Twin wall flue black

price£ 6.61
(inc VAT) £ 7.93

Locking band is used to connect two pieces together at the join.

Wall support (4 inch) - Twin wall flue black

price£ 26.85
(inc VAT) £ 32.22

Wall support is used to connect two pieces together at the join with its integrated locking band and fixes the chimney to the wall.

Adjustable wall support 70-120mm (4 inch) - Twin wall flue black

price£ 29.81
(inc VAT) £ 35.77

Adjustable wall support is used to connect two pieces together at the join ( with its integrated locking band) and fixes the chimney to the wall.

Cuttable wall support 100-250mm (4 inch) - Twin wall flue black

price£ 67.71
(inc VAT) £ 81.25

Cuttable wall support is used to connect two pieces together at the join (with its integrated locking band) and fixes the chimney to the wall.

Cuttable wall support 250-430mm (4 inch) - Twin wall flue black

price£ 75.90
(inc VAT) £ 91.08

Cuttable wall support is used to connect two pieces together at the join (with its integrated locking band) and fixes the chimney to the wall.

Flat wall support (4 inch) - Twin wall flue black

price£ 27.87
(inc VAT) £ 33.44

Flat wall support is used to fix the chimney to the wall. Fix anywhere except on a joint.

Flat adjust wall support 70-120mm(4 inch) - Twin wall flue black

price£ 35.61
(inc VAT) £ 42.73

Flat adjustable wall support is used to fix the chimney to the wall. Fix anywhere except on a joint.

Flat cuttable wall support 100-250mm (4 inch) - Twin wall black

price£ 71.30
(inc VAT) £ 85.56

Flat cuttable wall support is used to fix the chimney to the wall. Fix anywhere except on a joint.

Flat cuttable wall support 250-430mm (4 inch) - Twin wall black

price£ 79.97
(inc VAT) £ 95.96

Flat cuttable wall support is used to fix the chimney to the wall. Fix anywhere except on a joint.

Roof support (4 inch) - Twin wall flue

price£ 38.14
(inc VAT) £ 45.77

The roof support is designed to be fixed to the underside of the rafters.

Joist support (4 inch) - Twin wall flue

price£ 28.13
(inc VAT) £ 33.76

Joist support is used where the flue passes through a floor or ceiling.

DW/Flue liner adapter (4 inch) - Twin wall flue

price£ 55.01
(inc VAT) £ 66.01

Adapter used to connect flue liner to twin wall flue where the bottom part of your masonry chimney has been removed. Requires a locking band and flue liner adapter.

Guy wire bracket (4 inch) - Twin wall flue black

price£ 26.85
(inc VAT) £ 32.22

Guy wire bracket is a special bracket to which guy wires are attached.

Universal guy wire kit

price£ 57.70
(inc VAT) £ 69.24

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

Circular ceiling plate in black (4 inch) - Twin wall flue black

price£ 34.06
(inc VAT) £ 40.87

Stainless steel circular ceiling plate in black.

Ventilated firestop plate (4 inch) - Twin wall flue black

price£ 81.50
(inc VAT) £ 97.80

Ventilated firestop must be used on solid fuel appliances where the flue passes through a combustible floor or ceiling.

Ventilated firestop plate (4 inch) - Twin wall flue

price£ 68.83
(inc VAT) £ 82.60

Ventilated firestop must be used on solid fuel appliances where the flue passes through a combustible floor or ceiling.

Flashing EPDM Res 1

price£ 31.67
(inc VAT) £ 38.00

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£ 52.80
(inc VAT) £ 63.36

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£ 52.76
(inc VAT) £ 63.31

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

Masterflash EPDM No 6

price£ 42.19
(inc VAT) £ 50.63

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

Masterflash No 6 High Temp

price£ 59.51
(inc VAT) £ 71.41

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

Masterflash EPDM No 7

price£ 50.68
(inc VAT) £ 60.82

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

Masterflash No 7 High Temp

price£ 69.69
(inc VAT) £ 83.63

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 100mm Dinak twin wall flue

price£ 51.62
(inc VAT) £ 61.94
Pitch:

Select the pitch 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 100mm Dinak twin wall flue

price£ 56.86
(inc VAT) £ 68.23
Pitch:

Select the pitch 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 100mm Dinak twin wall flue

price£ 64.31
(inc VAT) £ 77.17
Pitch:

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

Storm collar (4 inch) - Twin wall flue black

price£ 39.58
(inc VAT) £ 47.50

Storm collar is used as extra protection above the flashing where the flue passes through the roof.

Rain cap (4 inch) - Twin wall flue black

price£ 59.57
(inc VAT) £ 71.48

Rain cap is the final element of the vertical run and provides protection from the rain. Requires a locking band.

Weathering cap (4 inch) - Twin wall flue black

price£ 64.63
(inc VAT) £ 77.56

The weathering cap is the final element of the vertical run and provides protection from the wind and rain. Suitable for solid fuel and gas. Requires a locking band.

Open terminal (4 inch) - Twin wall flue black

price£ 71.16
(inc VAT) £ 85.39

Open terminal is the final element of the vertical run. Requires a locking band.

Finishing plate 0-30 degrees (4 inch) - Twin wall flue black

price£ 48.32
(inc VAT) £ 57.98

Finishing plate is a two piece plate that covers the hole where the flue goes through the wall.

Finishing plate 30-45 degrees (4 inch) - Twin wall flue black

price£ 48.32
(inc VAT) £ 57.98

Finishing plate is a two piece plate that covers the hole where the flue goes through the wall.

Wall sleeve (4 inch) - Twin wall flue

price£ 29.74
(inc VAT) £ 35.69
Awaiting supplier stock.

Wall sleeve protects the chimney as it passes through the wall.

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