Deck On Concrete Blocks

Do you want to build a deck in your backyard, but don’t want to spend a fortune on materials and labor costs? Look no further than a deck on concrete blocks.

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This innovative approach to deck building is not only cost-effective, but it also provides a sturdy and durable foundation for your outdoor living space.

In this article, we’ll guide you through the process of building a deck on concrete blocks. We’ll discuss the advantages of using concrete blocks, how to choose the right size and style for your deck, and the steps needed to prepare your backyard for installation.

With our expert tips and guidance, you’ll be able to create a beautiful and functional deck that will be the envy of your neighbors.

So grab your tool belt and let’s get started!

Advantages of Using Concrete Blocks for Your Deck

You’ll be blown away by all the benefits of using this sturdy and reliable building material for your outdoor oasis. Concrete blocks are a great option for those looking to build a deck that will last for years to come. They provide a solid foundation for your deck, making it less susceptible to shifting or settling over time. Plus, they’re easy to work with and can be easily customized to fit your specific needs.

One of the biggest advantages of using concrete blocks for your deck is their durability. Unlike other materials, such as wood or composite decking, concrete blocks are resistant to weathering and decay. This means that your deck will stay looking great for years to come, even in harsh weather conditions.

Additionally, concrete blocks are fire-resistant, making them a great choice for areas prone to wildfires. Another benefit of using concrete blocks for your deck is their affordability. Compared to other materials, such as natural stone or brick, concrete blocks are much cheaper and readily available. This means that you can build a high-quality deck without breaking the bank.

Plus, since they’re easy to install, you’ll save money on labor costs as well. In conclusion, using concrete blocks for your deck is a smart choice for many reasons. They’re durable, easy to work with, and affordable. Whether you’re building a new deck from scratch or just looking to upgrade an existing one, concrete blocks are a great option that will provide you with years of use and enjoyment. So why wait? Start planning your dream deck today!

Choosing the Right Size and Style of Concrete Blocks for Your Deck

Selecting the appropriate size and style of building material for your outdoor flooring is an essential aspect of designing a sturdy and visually appealing structure. When it comes to choosing the right size and style of concrete blocks for your deck, you must consider the weight-bearing capacity, durability, and aesthetic appeal.

The size of the blocks will depend on the size of your deck, the weight of the furniture and other items that will be placed on it, and the conditions of the ground on which the blocks will be placed.

Concrete blocks come in various sizes and styles, and it’s crucial to choose the right one that will meet your specific needs. The most common sizes of concrete blocks for decks are 8x8x16 and 12x12x12 inches. The 8x8x16 blocks are ideal for small decks, while the 12x12x12 blocks are suitable for larger decks. You can also choose from different styles such as plain, decorative, or textured blocks, depending on your preference.

When selecting the right size and style of concrete blocks for your deck, it’s essential to keep in mind that the blocks need to be sturdy enough to support the weight of your deck and everything on it. They should also be durable enough to withstand harsh weather conditions and regular wear and tear. Additionally, the blocks should complement the overall design of your outdoor space to enhance its aesthetic appeal.

By choosing the right size and style of concrete blocks, you can ensure that your deck will be both functional and visually appealing.

Preparing Your Backyard for the Deck Installation

Before beginning the installation process, it’s crucial to thoroughly prepare your backyard to ensure a stable and secure foundation for your new outdoor space. To start, clear the area of any debris or obstacles that could impede the construction process. This includes removing any rocks, roots, or plants that are in the way. The last thing you want is for your deck to be uneven due to an overlooked obstacle.

Next, it’s important to level the ground where the concrete blocks will be placed. Uneven ground can cause issues with the stability of the deck and lead to potential safety hazards. Use a shovel and a level to ensure the ground is flat and even before placing the blocks. This step may take some time, but it is crucial to the overall success of your deck installation.

When your deck is properly installed, you’ll have a beautiful and functional outdoor space to enjoy with family and friends. Imagine hosting barbecues and gatherings on your new deck, creating memories that will last a lifetime.

On the other hand, if your backyard is not properly prepared for the deck installation, you may encounter issues with the stability and safety of the deck. This could lead to costly repairs down the line, as well as potential injuries to yourself or loved ones.

In conclusion, taking the time to properly prepare your backyard for the installation of your deck is crucial to its overall success. By clearing the area of debris and leveling the ground, you’ll be setting the foundation for a stable and secure outdoor space. Plus, with a little extra effort put into the preparation process, you’ll have a beautiful and functional deck that you can enjoy for years to come.

Laying the Foundation with Concrete Blocks

Laying a solid foundation is essential for ensuring the stability and safety of your outdoor living space, and this can be achieved through the use of sturdy support structures. Concrete blocks are a popular choice for supporting a deck because they provide a strong and stable base that is resistant to shifting and settling.

To lay the foundation for your deck using concrete blocks, you’ll need to first mark out the area where the blocks will be placed. Make sure the area is level and free of any debris or obstacles that could interfere with the placement of the blocks.

Once you’ve marked out the area, you can begin placing the concrete blocks in a grid pattern. Start at one corner and work your way out, making sure that each block is level and flush with the adjacent blocks. You can use a spirit level to ensure that each block is level, adjusting as necessary to achieve the desired result.

Once all of the blocks are in place, you can then lay down a layer of landscape fabric or weed barrier to prevent weeds and other vegetation from growing up between the blocks.

With the foundation in place, you can now move on to the next step in the deck installation process. Whether you plan to build the deck yourself or hire a professional contractor, it’s important to make sure that the foundation is solid and secure before proceeding. By using concrete blocks to lay the foundation, you can be confident that your deck will be stable and safe for years to come.

Building the Deck Frame on Top of the Blocks

Now that we’ve got a solid foundation in place, let’s move on to building the frame for our outdoor oasis! With the concrete blocks in place, it’s time to start building the deck frame.

Begin by laying out the pressure-treated 2×6 boards on top of the blocks, ensuring they’re level and spaced evenly apart. Use a framing square to ensure the corners are square, and then secure the boards to the blocks with deck screws.

Next, cut the 2×6 boards to length for the joists and lay them perpendicular to the frame boards, spaced 16 inches apart. Secure the joists to the frame boards with joist hangers and nails. Double-check that everything is level and square before moving on to the next step.

After the joists are in place, add blocking between them for added support. Cut the blocking to length and slide it between the joists, securing it with deck screws.

Lastly, add the decking boards on top of the frame, starting at one end and working your way across. Use deck screws to secure each board in place, leaving a small gap between each board for drainage.

Don’t forget to wear safety gear when cutting and working with the lumber. Use a string line to ensure the frame and joists are straight. Consider adding a layer of gravel underneath the blocks for better drainage. Use a carpenter’s level to ensure everything is level and plumb.

With the frame and decking in place, you’re one step closer to enjoying your outdoor oasis. Take the time to properly secure everything and double-check that it’s level and square for a long-lasting and sturdy deck. With a little bit of work, you’ll have the perfect space for outdoor gatherings, BBQs, and relaxation.

Adding the Decking Material

You’re ready to give your outdoor space a beautiful finish by adding the perfect decking material. Before you begin, make sure that your deck frame is level and secure. This will ensure that your decking material is installed correctly and will last for years to come.

When selecting your decking material, there are a variety of options to choose from, including wood, composite, vinyl, and aluminum. Each has its own unique benefits and drawbacks, so do your research before making a final decision.

Once you have chosen your material, it’s time to begin installation. Lay your decking boards perpendicular to the joists and space them evenly. Use a chalk line to ensure that your boards are straight and use a circular saw to trim any excess material.

Once your decking is installed, be sure to clean and seal it regularly to preserve its appearance and prevent damage. With these simple steps, your deck will be the envy of the neighborhood in no time.

Ensuring Safety and Stability of Your Concrete Block Deck

To ensure your outdoor space is safe and stable for years to come, it’s important to follow these tips and tricks for maintaining the structural integrity of your DIY project. Here are some things you can do to ensure the safety and stability of your concrete block deck:

  • Regularly check the blocks to ensure they’re level and stable. If you notice any movement or shifting, address it immediately.

  • Use a waterproof sealant on your decking material to prevent water damage and rot.

  • Consider using a railing system for added safety and support. Make sure it’s securely anchored to the concrete blocks.

  • If you plan on adding heavy furniture or a hot tub to your deck, reinforce the blocks with additional concrete or use larger blocks.

  • Avoid overloading your deck with too much weight. Keep in mind the weight capacity of the blocks and adjust your plans accordingly.

By following these tips and tricks, you can ensure the safety and stability of your concrete block deck.

Regular maintenance and inspections will go a long way in preventing any potential accidents or damage. With proper care, your DIY project will continue to provide a beautiful and functional outdoor space for years to come.

Maintenance Tips for Your Concrete Block Deck

Maintaining your DIY outdoor space is crucial for its longevity and safety, so let’s explore some easy tips and tricks to keep it looking beautiful.

One important thing to remember is to regularly clean your concrete block deck. Dirt, debris, and leaves can accumulate on the surface over time and cause discoloration or even mold growth. Use a broom or leaf blower to remove any loose debris and then wash the deck with a mixture of water and mild detergent.

Another way to maintain your concrete block deck is to seal it every few years. Sealing will help protect the surface from UV rays, water damage, and stains. Before applying the sealant, make sure the deck is clean and dry. Apply the sealant evenly with a roller or sprayer and let it dry completely. This will help keep your deck looking new for years to come.

Lastly, it’s important to inspect your deck regularly for any signs of damage or wear. Check for cracks, loose blocks, or any other issues that could compromise the safety and stability of your deck. If you notice any problems, address them immediately before they become bigger issues.

By following these simple maintenance tips, you can ensure that your concrete block deck remains beautiful and safe for years to come.


Congratulations on your new deck! By choosing to use concrete blocks as the foundation, you’ve created a sturdy and durable structure. This will provide a safe and stable space for you and your family to enjoy for years to come.

Not only are concrete blocks cost-effective and easy to work with, but they’re also resistant to weather and pests. This makes them a low-maintenance option for your backyard. To ensure the longevity of your concrete block deck, regularly inspect the blocks and make any necessary repairs.

Additionally, consider adding a sealant to the blocks to protect them from moisture and other potential damage. By following these maintenance tips, your concrete block deck will continue to be a beautiful and functional addition to your home.

Enjoy your new outdoor space!