Building a deck around an above ground pool is a relatively simple project that can be accomplished by most do-it-yourselfers. Here are the basic steps: 1. Decide on the shape and size of your deck. 2. Locate the four corners of your deck and mark them with stakes. 3. Run a string line between the stakes to create your outline. 4. Dig out the soil within the outline to a depth of about 8 inches. 5. Fill in the excavation with compacted gravel or crushed stone until it is level with the surrounding ground surface. 6..Using temporary supports, construct a frame within the outline of your deck using 2x4 lumber.

There is no one-size-fits-all answer to this question, as the thickness of a concrete pool deck will vary depending on the climate, soil type, and other factors. In general, however, a minimum thickness of 4 inches is recommended.