This has come up before, and there have been a few suggestions of solutions.

Concrete nails, plugs and screws and dynabolts are not allowed. A Civil Engineer would not allow it.

I fixed timber battens to the concrete stumps. I ended up using Sikaflex brand 'SikaBond High Strength Construction Adhesive' The stuff is like liquid nails on steroids. Check the statistics on the Sikaflex website.

I used 75 x 50 battens stopping 50mm before the antcap. I found i was getting about 1.8 metres of batten to stump fix per cartridge. So in other words I was able to fix 3 of 600mm battens with one cartridge.

I bought a box of 12 cartridges and got a good price.


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