The Schiedel ICID Twin Wall Top Plate is a chimney support component designed to provide either initial or intermediate support for a vertical ICID flue system. Suitable for internal or external use, it is available for 125mm (5″) and 150mm (6″) internal flue diameters and is used in combination with side plates or cantilever brackets.
The top plate forms part of the structural support arrangement for the vertical chimney. Depending on the layout, it can be used as the first main support point or positioned further up the system to provide intermediate support.
Its ability to be used both internally and externally gives flexibility when planning the support structure around the chimney route. The final arrangement depends on whether the top plate is being paired with side plates or cantilever brackets.
Two versions are available to match the associated ICID flue size: 125mm (5″) and 150mm (6″) internal diameter. The appropriate option should therefore be selected to correspond with the chimney system being supported.
The wider ICID Plus twin wall system is designed with a load-bearing outer case, while the inner liner is free to expand independently. This arrangement allows thermal expansion to be accommodated within each joint of the system.
Key Features
- Schiedel ICID top plate
- Vertical chimney support component
- Initial support application
- Intermediate support application
- Suitable for internal use
- Suitable for external use
- Used with side plates
- Compatible with cantilever brackets
- 125mm internal diameter option
- 150mm internal diameter option
- 5-inch system option
- 6-inch system option
- ICID twin wall component
Expert Insight
The main consideration with this component is its role within the vertical support structure. It can act as either an initial or intermediate support point, with the surrounding installation determining whether it is paired with side plates or cantilever brackets.
Suitability
The Schiedel ICID Top Plate is suited to 125mm or 150mm twin wall chimney installations requiring structural support to a vertical section, either internally or externally and at an initial or intermediate point in the flue route.
Installation / Technical Notes
The top plate is used in combination with side plates or cantilever brackets to support the vertical chimney. It can be installed internally or externally and used for either initial or intermediate support. Select the 125mm (5″) or 150mm (6″) version to match the internal diameter of the ICID system.


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