Dear Mitchell,We are now on the same page: I am indeed going to use Retain-IT 75mm posts and 200x75x1800mm treated pine sleepers. Thank you for your h ...

Dear Dave-1,I find it hard to accept that the thickness of sleepers is irrelevant; wouldn't you expect that the wall made of 75mm sleepers can be equa ...

Dear MitchellMc,Thank you for the prompt response and suggestions. I had thought that the 75mm-thick sleepers would provide a strong wall with spacing ...

I want to build a retaining wall 600mm high, using treated pine sleepers 200x75mm and galvanised steel posts. I am not sure what length of the sleeper ...