Stainless steel – best for external chimneys and reduced corrosion.

Corrosion is inevitable in outdoor installations, but the speed of corrosion is critical. Schiedel’s ICID system has a lifetime guarantee which means we’re confident of it’s anti-corrosion properties in comparison with some systems which may have galvanised outer casings.

ICID is formed from stainless steel which has excellent anti-corrosion properties.


  • Twist-lock bayonet jointing system. Secured by locking band.
  • Advanced corrosion resistant design and construction uses laser welded 316L stainless steel inner liner and stainless steel case.
  • The 25mm of high density mineral wool insulation maintains flue gas temperature, maximising efficiency, improving flue draught on start up and minimising condensation.
  • Low external case temperature.
  • The inner liner is free to expand through the female collar, allowing for maximum thermal expansion even during a soot fire.
  • The inner liner has an an engineered design with an inward bead at the female end which acts as a capillary break preventing moisture being drawn through the joint.
  • Lip seal packs are available containing a quick fit female lip seal with a grease sachet to allow product to be easily adapted for use in Positive Pressure (P) app

Lifetime Guarantee

We are confident in the anti-corrosion qualities of our ICID system, therefore can cover this with a “lifetime” guarantee.

Provided that you comply in full with the usage of the stove and chimney system, we guarantee to you that the system will be free from defects for whichever is the greater of:

a period equal to the guarantee period of the appliance to which the system is first connected or 20 years. Most appliances have a 7 to 10 year guarantee, which means we’ll cover the appliance for the same time and beyond.

For example, if your system is fitted to an appliance with a guarantee period of 10 years, we will still guarantee your system for 20 years.

Augmented Reality 3D app

Download our amazing Augmented Reality App, which lets you see how a stove looks like in a room and can calculate the ICID components and costs. Click here for more details.

ICID specifications

Subject Specifications
Fuel Wood, solid fuel | With Lip Seal: Gas and oil
Firing Temp 450°C | With Lip Seal: 200°C
Short Firing Temp 550°C | With Lip Seal: 250°C
Thermal Shock 1000°C
Mode of Operation Zero & negative pressure | With Lip Seal: Positive pressure
Pressure Capabilities 40Pa | With Lip Seal: 200pa
Fire Rating 4 Hour Fire Rating to BS 476 Part 20
Outer Case Stainless Steel
Outer Case (Option) Painted matt black
Outer Case Thickness 0.5mm
Seam Laser or inert gas welded
Liner 316L : 1.4404 : X2CrNiMo 17-12-2
Liner Thickness (mm) 0.5mm
Seam Laser or inert gas welded
Insulation High performance mineral fibre
Insulation Thickness 25mm
Average Thermal Resistance (200°C) 0.4m2 k/W


ICID Plus is CE Certified to EN1856-1 TÜV 0036 CPR 9195 010 with designations: ICID Plus is CE Certified to EN1856-2 TÜV 0036 CPR 9195 042 with designations:

  System Chimney EN1856-1
T450 N1 W V2 L50050

G60 T450 N1 D V3 L50050 G60

60mm Distance to combustibles running through a combustible floor using G60 round firestop

T450 N1 W V2 L50050

G50 T450 N1 D V3 L50050 G50

50mm Distance to combustibles a) running through a combustible floor using G50 ventilated fire stops b) In a ventilated shaft using G50 or G60 round ventilated fire stops in combination with G50 ventilated support plate at base and G50 ventilated fire stop plate at top of shaft. c) In free air

T200 P1 W V2 L50050 O00

Zero distance to combustibles

 Connecting Flue Pipe EN1856-2
 T450 N1 D V2 L50050 G100 M


  • Manufactured under a Quality Management Scheme approved to BS EN ISO 9001
  • 4 Hour Fire Rating to BS476 Part 20
  • Certified for corrosion resistance on gas, oil and solid fuel by Gastec, MPA and TÜV • HETAS listed for use on solid fuel applications.

Installation guide and approvals

The latest ICID Plus Twin Wall Flue Installation Instructions are now available to download.

940002165 ICID Plus Installation Instructions

940002165 ICID Plus Installation Instructions

4.14 MB

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