Deck wobble- Bracing? 4 mtres off the ground
I had a deck built years ago and it has always wobbled when you walk across it - so much so that a coffee cup on the table in the middle may splash. It does not appear to be ready to collapse or anything but it would be nice to reassure friends by removing the wobble!!
It is about 4 metres off the ground and has a V shape stell strap under the deck.
I have recently added a single wooden diagonal timber length from one corner to the other.
There is no Post brace.
Any thing to suggest?