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4 inch (100mm) Twin wall flue Dinak DW

Twin wall flue system manufactured in Europe. Dinak DW is a class 1 Twin wall flue 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

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 twin wall flue, biomass flue

Dinak DW info

Adapter to stove pipe (4 inch) - Twin wall flue

price£ 51.06
(inc VAT) £ 61.27

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

Adapter to single wall (4 inch) - Twin wall flue

price£ 33.92
(inc VAT) £ 40.70

Adapter used for boiler installations to connect Dinak single wall flue pipe to twin wall flue. Requires a locking band.

Boiler adapter (4 inch) - Twin wall flue

price£ 40.35
(inc VAT) £ 48.42

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

Increaser dw to dw (3-4 inch) - Twin wall flue

price£ 84.72
(inc VAT) £ 101.66

Increaser used to increase 3 inch twin wall to 4 inch twin wall. Requires a locking band.

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

price£ 83.06
(inc VAT) £ 99.67

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

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

price£ 49.43
(inc VAT) £ 59.32

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

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

price£ 41.20
(inc VAT) £ 49.44

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

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

price£ 41.80
(inc VAT) £ 50.16

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

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

price£ 104.70
(inc VAT) £ 125.64

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

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

price£ 77.68
(inc VAT) £ 93.22

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

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

price£ 71.87
(inc VAT) £ 86.24

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

90 degree elbow (4 inch) - Twin wall flue

price£ 116.10
(inc VAT) £ 139.32

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

45 degree elbow (4 inch) - Twin wall flue

price£ 55.29
(inc VAT) £ 66.35

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

30 degree elbow (4 inch) - Twin wall flue

price£ 65.03
(inc VAT) £ 78.04

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

15 degree elbow (4 inch) - Twin wall flue

price£ 65.03
(inc VAT) £ 78.04

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

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

price£ 95.10
(inc VAT) £ 114.12

Straight length with drain, has an effective length of 270mm. Requires a locking band.

Inspection tee (4 inch) - Twin wall flue

price£ 157.31
(inc VAT) £ 188.77

Inspection tee. Requires a locking band.

90 degree tee (4 inch) - Twin wall flue

price£ 96.17
(inc VAT) £ 115.40

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

93 degree tee (4 inch) - Twin wall flue

price£ 97.35
(inc VAT) £ 116.82

93 degree tee. Requires a locking band.

Tee cap (4 inch) - Twin wall flue

price£ 31.73
(inc VAT) £ 38.08

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

price£ 46.40
(inc VAT) £ 55.68

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

price£ 6.26
(inc VAT) £ 7.51

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

Wall support (4 inch) - Twin wall flue

price£ 17.48
(inc VAT) £ 20.98

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

price£ 20.66
(inc VAT) £ 24.79

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

price£ 59.76
(inc VAT) £ 71.71

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

price£ 69.95
(inc VAT) £ 83.94

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

price£ 18.59
(inc VAT) £ 22.31

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

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

price£ 26.87
(inc VAT) £ 32.24

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 flue

price£ 65.05
(inc VAT) £ 78.06

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 flue

price£ 74.31
(inc VAT) £ 89.17

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

Adjustable base support (4 inch) - Twin wall flue

price£ 154.76
(inc VAT) £ 185.71

Adjustable base support is designed to be installed at the base of the vertical run of the chimney. Requires a locking band.

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

price£ 64.75
(inc VAT) £ 77.70

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.

Joist support (4 inch) - Twin wall flue

price£ 33.11
(inc VAT) £ 39.73

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

Roof support (4 inch) - Twin wall flue

price£ 44.89
(inc VAT) £ 53.87

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

Guy wire bracket (4 inch) - Twin wall flue

price£ 17.48
(inc VAT) £ 20.98

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

Universal guy wire kit

price£ 67.91
(inc VAT) £ 81.49

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

Basic firestop plate (4 inch) - Twin wall flue

price£ 34.41
(inc VAT) £ 41.29

Basic firestop plate is designed to provide the appropriate distance between the flue and any adjacent material.

Circular ceiling plate (4 inch) - Twin wall flue

price£ 37.45
(inc VAT) £ 44.94

Stainless steel circular ceiling plate.

Ventilated firestop plate (4 inch) - Twin wall flue

price£ 81.01
(inc VAT) £ 97.21

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

Flashing EPDM Res 1

price£ 42.75
(inc VAT) £ 51.30

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£ 79.20
(inc VAT) £ 95.04

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£ 71.23
(inc VAT) £ 85.48

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

Masterflash EPDM No 6

price£ 48.30
(inc VAT) £ 57.96

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

Masterflash EPDM No 7

price£ 58.01
(inc VAT) £ 69.61

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

Masterflash No 6 High Temp

price£ 75.69
(inc VAT) £ 90.83

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

Masterflash No 7 High Temp

price£ 88.65
(inc VAT) £ 106.38

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

price£ 29.75
(inc VAT) £ 35.70

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

Rain cap (4 inch) - Twin wall flue

price£ 52.48
(inc VAT) £ 62.98

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

£ 57.91
price£ 52.12
(inc VAT) £ 62.54
Save 10%
£ 57.91

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

Open terminal (4 inch) - Twin wall flue

price£ 64.92
(inc VAT) £ 77.90

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

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

price£ 42.08
(inc VAT) £ 50.50

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

price£ 42.08
(inc VAT) £ 50.50

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£ 35.00
(inc VAT) £ 42.00

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

Joint seal 4 inch - Dinak

price£ 4.50
(inc VAT) £ 5.40

A rubber seal used on condensing installations. 4 inch twin wall flue and 4 inch single wall flue.