Wood dock leveling technique

[TiltonBB]

I have a couple of concrete blocks that I use to put the jack on when I need more height. They work great and I store them under the dock all year long so they are handy when I need them..

I have also used truck tubes and inflated them under the dock to lift it.

There are many ways to lift docks and it just depends on your individual situation and what you are trying to accomplish.