DIY Guide: How to Build a Beautiful Floating Deck – Step by Step

DIY Guide: How to Build a Beautiful Floating Deck – Step by Step


Are you looking to enhance your outdoor space with a stunning floating deck? Building a floating deck is a fantastic way to create an inviting and functional outdoor area where you can relax and entertain. In this comprehensive guide, we will walk you through the step-by-step process of building your very own floating deck. Let’s get started!

Materials Needed

Before you begin the construction process, you will need to gather the following materials:

  • Pressure-treated lumber
  • Concrete blocks
  • Gravel
  • Deck screws
  • Joist hangers
  • Drill
  • Level
  • Tape measure

Step 1: Planning and Preparation

Start by determining the location and size of your floating deck. Clear the area of any debris and vegetation, ensuring the ground is level. Mark the layout using stakes and string to outline the deck’s shape and dimensions.

Step 2: Building the Foundation

Place concrete blocks in a grid pattern on the ground, ensuring they are level and evenly spaced. Add gravel inside each block for stability. Install joist hangers on top of the blocks to support the deck frame.

Step 3: Constructing the Deck Frame

Using pressure-treated lumber, build the frame of the deck according to your desired dimensions. Secure the frame to the joist hangers using deck screws, ensuring it is level and square.

Step 4: Installing the Decking Boards

With the frame in place, begin attaching the decking boards using deck screws. Ensure the boards are evenly spaced and aligned properly. Leave a small gap between each board to allow for drainage.

Step 5: Adding Finishing Touches

Once the decking boards are installed, trim any excess board length and sand down any rough edges. Apply a weatherproof sealant or stain to protect the wood from the elements and enhance its appearance.


Congratulations! You have successfully built a beautiful floating deck that will be the envy of your neighbors. By following this DIY guide, you can create a stunning outdoor space where you can relax and entertain with family and friends. Enjoy your new floating deck!

Keywords: DIY, Floating Deck, Outdoor Space, Deck Construction, Step by Step, Decking Boards, Pressure-Treated Lumber, Joist Hangers

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