That's it, @nik16. You can use the Concremate to fill up to around 8mm from the surface, and then fill in the remaining 8mm with the render. Mitchel ...

Welcome to the Bunnings Workshop community, @nik16! It's sensational to have you join us, and many thanks for your question about fixing a crack in br ...

That looks pretty serious. It may need stitching where they insert rods horizontally across the crack in the mortar lines, grout, then render, plaster ...