Won't be indestructable without the wood bracing as I described, but I applaud the fact that an expert "conventional builder" is game to have a go. ( most just scoff).

My initial reason for the suggestion was to stop people moaning about the cost of learning, (took a while for acknowlegement) but I have realised that the moaning is really only bragging about their disposable income and the amount of leisure time at their disposal!