1 A retired Regular officer who also is employed by the federal government and is subject to the dual compensation statutes may have that reduction reduced because of the waiver of retired pay to receive VA benefits.
If they don't, then 4 thick is usually standard for a patio slab, how large or small it is doesn't really matter. The most important part is the sub-base. Make sure you have a good gravel base. I would recommend at least 12 inches of compacted gravel. I like gravel where the aggregate (rocks) are no larger than 1.
Tile Patio Materials. Tile can be laid over a concrete slab to create an elegant high end look from a plain patio slab. Many new homes come with a basic concrete slab. If yours did and you want to dress it up, this may be the answer for you.