Hardie 14mm Aluminium Trimline Internal Corner Jointer is specifically engineered as a critical component of the James Hardie external cladding system, this jointer is used to bridge and secure lengths of Hardie 14mm Aluminium Trimline Joint Flashing (3000mm).
This internal corner jointer is essential when installing multiple rows of Hardie Oblique™ or Hardie Stria™ Cladding. It provides a positive connection at internal corners, ensuring that the joint flashing remains aligned and effective in managing water drainage and aesthetic continuity.
Key Features
- Corrosion resistant
- Robust against impact
- Ready to paint after installation
- Easy to install







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