How to Build a Floating Deck





Introduction: How to Build a Floating Deck

Here I will show you how I made a floating deck. The advantage of a floating deck is that it is possible to be moved to any location in the yard. This is by no mean a new Instructable, it was done before by TimBTodd. The deck that we built is 12'x12' and is supported by concrete deck piers.

Step 1: Materials

8 - 2x4x12 treated studs

30 - 5/4 x 6 x 12 treated lumber

10 - concrete deck piers minimum

2x4 stud steel reinforcements

Galvanized 3 1/2'' nails.

Extra cinder blocks and bricks to level the footing.

Step 2: Building Your Deck

I started by nailing four studs temporarily together to make a square. Then I nailed the other studs to the frame I made using the metal reinforcements. I used a square to make sure that every stud was parallel to each other. When the frame has been completed we moved the frame where the piers were.
The ground that we picked for our floating deck was uneven so I had to play a little with cinder blocks and bricks to level the frame. Once I was finished with levering the frame I could start nailing the planks to the frame.
We left some spacing between planks to allow for expansion during hot and humid days and for rain water to filter through.

Step 3: Finished Project!

Our finished project, ready to serv us this summer.



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    This is a big help. Thank you for posting!!

    Can this be done if the ground is sloped? If yes, how would you level the deck as all of the deck piers are the same size? Would you have to dig a hole to set some of the piers into where the ground is higher? Would this cause issues with ventilation?

    We have an area against the back of our house that we wanted to build either a raised patio with pavers or lay concrete, but we have too many electrical/cable/phone lines that come into that area to be able to dig deep enough. We also cannot add dirt as there is a door to a utility closet. Just wondering if a floating deck might be an option since we wouldn't attach a deck to our foundation.

    To make it work in a sloped area you would need to place different lengths of "feet" from the deck frame to the concrete piers. This is what I did in my backyard.

    You don't need to attach a deck to your house's foundation. It is known as a "free standing deck" and you use treated 4x4's posts cemented to the ground. You need to install the posts first, then with a chalk line level and later cut the posts. Lowes has a deck designer browser program that allows you to design your deck and calculate how many materials you are going to need.

    How important is it foe the ground to be leveled

    It depends. If you are going to use it for an inflatable pool, the weight of the water leaning on one side of the pool walls will end in disaster.

    What I mean is our back yard has a slope

    Could this be built to place an above ground pool on? our backyard has a slope and this seems easier than trying to level the ground where we do not plan to permanently reside. the size of the pool is 16x48

    You need to consider the weight of the pool with the water. It might be better to level the ground.

    Does this deck sway a lot? 
    8' is a really long distance to span a 2x4.