Build a Floating Foundation Deck

A floating deck eliminates the need to dig holes and pour cement into the ground.
Build a Floating Foundation Deck
This system uses solid concrete blocks that float on top of the soil and distribute the weight evenly. (Houzz.com/TNS)
5/27/2024
Updated:
5/27/2024
0:00

Most decks are typically built with cement footings buried into the ground, but an alternative and easier system is a ground-level pier deck that is designed for do-it-yourselfers. It uses solid concrete blocks that float on top of the soil and distribute the weight evenly. Since it is ground-level, it eliminates the need to dig holes and mix and pour cement for the footings.

And while a conventional deck is attached to the house, the framework of a floating deck stands free from it, making it easier to build. The cement pier foundation sits directly on the ground with slots in their tops and, depending on the height of the deck, holds either vertical posts or horizontal support boards. The decking is then secured to the framework.

When you’re in the planning phase of adding a deck, make sure to contact your local building department to find out if a permit is required. Most likely, it is. If your deck will be near your property line, take a look at your survey so you know where your property ends and your neighbor’s begins.

A deck contractor will charge $2,090, which includes labor and material, to build a small, basic, rectangular 12-by-15-foot ground-level deck using a pier system of blocks with composite surface decking. If you’re handy (or a wannabe) you can build the deck for $710, the cost of the material, and save 66 percent. The materials include concrete piers, 4-by-4 posts, 2-by-6 joists, decking and deck screws.

Building a deck is not for the faint of heart; it’s labor-intensive, using heavy materials, so plan your time accordingly. You’ll need a carpenter’s level, circular saw and power screw gun.

To find more DIY project costs and to post comments and questions, visit www.diyornot.com and m.diyornot.com on smartphones.

Pro Cost—DIY Cost—Pro time—DIY Time—DIY Savings—Percent Saved

$2,090—$710—31.7—42.5—$1,380—66 percent

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©2022 Gene and Katie Hamilton. Distributed by Tribune Content Agency, LLC.
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