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How to Build a Deck Over Concrete

Adding a deck to your home will provide many benefits including adding value to your property. The extra space will allow you to enjoy the outdoors and will be a nice new look. You won't need to add a footer to the deck because you'll already have a concrete foundation to work from.

Things You'll Need:



  • Tape Measure

  • Pencil

  • Paper

  • Spray Paint

  • Hammer Gun

  • Circular Saw

  • Deck Stain



  1. Measure the dimensions and draw a diagram of your concrete slab. This will help you purchase the right amount of supplies and also help you design the deck.

  2. Design the deck by marking where you want the steps to be located and the shape of the deck.

  3. Spray paint small marks on the concrete slab where you want the deck posts to be installed. Remember to only spray paint when you're absolutely sure you have the design you're looking for.

  4. Take your diagram to a local home improvement store and lumber yard to purchase all your supplies. There should be representatives at the store who can help you purchase everything you'll need. You might have to order certain supplies and wait a few days before they arrive.

  5. Attach the wooden posts to the concrete slab first. Normally a bracket is screwed into the concrete using a hammer gun. You'll probably have to rent the hammer gun because it's a pretty rare tool.

  6. Build the frame of your deck first before attaching railing. Cut the wood with a circular saw if you need to make adjustments.

  7. Stain the deck with a weather protectant chemical when you're finished. This will help prolong your decks life, especially if you live in cold weather climates.