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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£ 60.75
(inc VAT) £ 72.90

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

Boiler adapter (4 inch) - Twin wall flue

price£ 35.84
(inc VAT) £ 43.01

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

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

price£ 94.91
(inc VAT) £ 113.89

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

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

price£ 62.39
(inc VAT) £ 74.87

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

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

price£ 53.91
(inc VAT) £ 64.69

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

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

price£ 46.31
(inc VAT) £ 55.57

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

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

price£ 115.63
(inc VAT) £ 138.76

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

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

price£ 91.42
(inc VAT) £ 109.70

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

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

price£ 88.88
(inc VAT) £ 106.66

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

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

price£ 130.91
(inc VAT) £ 157.09

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£ 68.39
(inc VAT) £ 82.07

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£ 77.03
(inc VAT) £ 92.44

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£ 77.03
(inc VAT) £ 92.44

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£ 110.43
(inc VAT) £ 132.52

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£ 44.18
(inc VAT) £ 53.02

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£ 57.82
(inc VAT) £ 69.38

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£ 7.27
(inc VAT) £ 8.72

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

Wall support (4 inch) - Twin wall flue black

price£ 29.54
(inc VAT) £ 35.45

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£ 32.79
(inc VAT) £ 39.35

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£ 74.48
(inc VAT) £ 89.38

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£ 83.49
(inc VAT) £ 100.19

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£ 30.66
(inc VAT) £ 36.79

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£ 39.17
(inc VAT) £ 47.00

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£ 78.43
(inc VAT) £ 94.12

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£ 87.97
(inc VAT) £ 105.56

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£ 41.95
(inc VAT) £ 50.34

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

Joist support (4 inch) - Twin wall flue

price£ 30.94
(inc VAT) £ 37.13

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

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

price£ 60.51
(inc VAT) £ 72.61

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£ 29.54
(inc VAT) £ 35.45

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

Universal guy wire kit

price£ 63.47
(inc VAT) £ 76.16

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£ 37.47
(inc VAT) £ 44.96

Stainless steel circular ceiling plate in black.

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

price£ 89.65
(inc VAT) £ 107.58

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£ 75.71
(inc VAT) £ 90.85

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

Flashing EPDM Res 1

price£ 34.20
(inc VAT) £ 41.04

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£ 63.36
(inc VAT) £ 76.03

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£ 56.98
(inc VAT) £ 68.38

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

Masterflash EPDM No 6

price£ 45.57
(inc VAT) £ 54.68

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

Masterflash No 6 High Temp

price£ 71.41
(inc VAT) £ 85.69

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

Masterflash EPDM No 7

price£ 54.73
(inc VAT) £ 65.68

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

Masterflash No 7 High Temp

price£ 83.63
(inc VAT) £ 100.36

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£ 89.70
(inc VAT) £ 107.64
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£ 96.00
(inc VAT) £ 115.20
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£ 106.50
(inc VAT) £ 127.80
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£ 43.54
(inc VAT) £ 52.25

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£ 65.53
(inc VAT) £ 78.64

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£ 71.09
(inc VAT) £ 85.31

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£ 78.28
(inc VAT) £ 93.94

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£ 53.15
(inc VAT) £ 63.78

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£ 53.15
(inc VAT) £ 63.78

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£ 32.71
(inc VAT) £ 39.25

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

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