floating deck concrete

Floating Concrete Deck Designs: Sturdy & Stylish

By Christopher Young
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Discover the beauty and practicality of floating decks made from concrete. While wooden decks are popular, concrete floating decks offer unmatched durability, minimal maintenance, and a stunning modern aesthetic. Let's dive into the world of concrete floating decks, exploring their benefits, design options, and installation process.

What are Concrete Floating Decks?

Concrete floating decks are elevated structures built on supported concrete footings or piers, giving the illusion that they're floating above the ground. Unlike traditional concrete slabs, these decks have open railings or balusters, allowing wind and sunlight to pass through and creating a lightweight, airy ambiance.

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DIY Floating Deck Tutorial | Easy Backyard Deck Build
DIY Floating Deck Tutorial | Easy Backyard Deck Build
Building an
Building an
How to Build a Floating Deck in One Weekend (No Concrete)
How to Build a Floating Deck in One Weekend (No Concrete)

Floating decks made from concrete offer numerous advantages over their wooden counterparts. They are highly resistant to rot, fire, termites, and other pests, ensuring longevity with minimal maintenance. Additionally, concrete's thermal mass helps regulate temperature, keeping decks cool in summer and retaining heat in winter.

Types of Concrete for Floating Decks

When selecting concrete for your floating deck, consider the following options to suit your design and functional needs:

Building a Floating Deck Over Old Concrete - DIY Backyard Deck Ideas for Deck Builders
Building a Floating Deck Over Old Concrete - DIY Backyard Deck Ideas for Deck Builders
How to Build a Floating Deck That Lasts 15+ Years
How to Build a Floating Deck That Lasts 15+ Years
DIY Hacks for Building a Floating Backyard Deck with TuffBlocks
DIY Hacks for Building a Floating Backyard Deck with TuffBlocks
  • Standard Concrete: Ordinary Portland cement mixed with water, sand, and gravel is the most common and economical choice.
  • Exposed Aggregates: Including large-sized aggregates in the mix creates a striking, textured surface for a more rustic, industrial look.
  • Stamped Concrete: Using rubber molds to create patterns and textures, stamped concrete mimics the appearance of stone, tile, or wood, adding design flexibility to floating decks.
  • Polished Concrete: Grinding and polishing the surface to a high sheen, this option provides a sleek, modern finish that's easy to maintain.

Designing with Concrete Floating Decks

Concrete floating decks offer endless design possibilities, from modern and minimalist to warm and inviting. Consider these design elements to create your dream outdoor space:

  1. Shapes and Layouts: Concrete floating decks can be designed as square, rectangular, L-shaped, or custom layouts to fit your space and needs.
  2. Handrails and Balusters: Open railings and balusters help maintain the floating effect. Choose from metal, glass, or cable railings, or opt for wood or composite materials for a contrasting look.
  3. Lighting and Planting: Integrate lighting into the deck's structure or add planters to soften the hard edges of concrete and bring life to your outdoor space.

Installing Concrete Floating Decks

Installing a concrete floating deck requires careful planning and precision. Here's a simplified version of the installation process:

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1. Design and Planning: Determine the size, shape, and layout of your floating deck. Obtain any necessary permits and consult with local building codes.

a deck in a backyard with stepping stones on the ground and plants next to it
a deck in a backyard with stepping stones on the ground and plants next to it
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6 Easy Floating Deck Ideas
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How to Build a Floating Deck Using TuffBlock Foundation Blocks
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DIY Floating Deck, Part 2: Frame & Waterproofing
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How to Build a Low Deck on Budget
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Best Way to Build a Floating Deck (No Digging Required!) - House renovations /flips

2. Site Preparation and Footings: Clear the site, ensure proper drainage, and excavate for footings or piers that will support the deck's load. Pour concrete footings or install pre-cast piers, let them cure, and install anchor bolts.

Slab Construction

3. Formwork and Rebar: Construct formwork around the perimeter of the footings, ensuring it's level and plumb. Arrange rebar within the formwork to reinforce the concrete slab.

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4. Pouring Concrete: Order ready-mix concrete and pour it into the formwork. Use a concrete vibrator to remove air pockets and ensure proper consolidation.

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Is a Floating Deck a Good or a Bad Idea? - Decks by E3
Ground Level Deck DIY
Ground Level Deck DIY
two pictures side by side one shows a deck and the other shows an outdoor patio
two pictures side by side one shows a deck and the other shows an outdoor patio
a piece of wood that is sitting in the grass
a piece of wood that is sitting in the grass
How to build a floating deck
How to build a floating deck
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30 Low Budget Floating Deck Ideas for Your Backyard - We Love Home Blog
an image of a deck being built with concrete slabs
an image of a deck being built with concrete slabs
TuffBlocks are the smarter deck foundation
TuffBlocks are the smarter deck foundation
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Small Backyard Deck Built in a Weekend, No Concrete
a deck with chairs and an umbrella in the middle of it, next to a fence
a deck with chairs and an umbrella in the middle of it, next to a fence

Finishing and Expansion Joints

5. Finishing: Screed the surface, bull float, and trowel the concrete to achieve the desired finish. Once the concrete is partially set, use a grinder to create expansion joints every 10-15 feet to control cracking.

6. Curing and Sealing: Cover the concrete with a curing agent or wet burlap to retain moisture and promote proper curing. Once cured, apply a concrete sealer to protect the surface and enhance durability.

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Adding Railings and Finishing Touches

7. Installing Railings: Fabricate and install railings as per your design, ensuring they're securely fastened and comply with your local building codes.

8. Final Inspection: Arrange for a final inspection with your local building department to ensure your floating deck meets all safety and construction standards. Make any necessary revisions before the final sign-off.

Embrace the strength, durability, and design flexibility of concrete floating decks to create a stunning, long-lasting outdoor space. From expansive entertaining areas to serene personal retreats, floating decks offer the perfect canvas to bring your vision to life. Start planning your concrete floating deck today and enjoy your new outdoor paradise for years to come.

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