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Welcome to the Bunnings Workshop community @Kon2023. It's great to have you join us, and many thanks for your question about installing James Hardie Axent Trim.
I trust you've already read through the installation guide. For deviation from the guide, it's best to contact the James Hardie Technical Team directly and discuss the viable solutions. I'll give them a call for you after the weekend to find out if there are any alternate ways of fixing.
Please let me know if you have any questions.
Mitchell
Hi @Kon2023,
I've had a chat with the James Hardie technical team, and the Axent trim usage is falling quite outside what it was designed for. Initially, its use is for cladding boards and not a rendered surface, and the team recommends you source an architectural trim designed for that purpose. It's also not designed to be installed over a compressible surface such as foam cladding. The 100mm thick foam is what really throws a spanner in the works. The only way the team at James Hardie can see you being able to install the Axent trim would be if you battened out the foam and created a structure on top of it to affix the trim. However, even then, you are going to struggle to find screws that will be long enough to go through your batten, the foam board and into the timber stud work.
The only other option I can think of would be cutting the foam cladding back to expose the studs in the corner and attaching new studs onto them to bring them out further so the Axent trim could be attached directly.
Please let me know if you have any questions.
Mitchell
