How to Build a Deck Over a Concrete Patio (DIY)
Building a patio deck over concrete: Time, money and tools. Family Handyman. Time: Covering a patio with decking typically takes a weekend or two. This patio took much more time—five long days. That's partly because it's a big one (14 x 28 ft.). The grid pattern formed with different-colored decking also added a few hours to the job.