Building A Patio With Cinder Blocks

By | April 27, 2024

Building a Patio with Cinder Blocks: A Guide to Creating a Durable and Affordable Outdoor Space

Building a patio is an excellent way to enhance your outdoor living space and increase your home's value. Constructing a patio with cinder blocks is a popular choice for DIY enthusiasts as it provides a durable, long-lasting, and aesthetically pleasing surface.

Cinder blocks, also known as concrete blocks, are pre-cast concrete units that are affordable, easy to work with, and fire-resistant. They come in various sizes and finishes, allowing for customization in both design and functionality.

Materials List

  • Cinder blocks
  • Mortar
  • Masonry sand
  • Gravel
  • Compacted soil
  • Edging material (optional)
  • Level
  • Trowel
  • Mixing bucket
  • Gloves

Step 1: Prepare the Base

Excavate the area for your patio to a depth of 6-8 inches. Ensure the base is level and compact the soil thoroughly to create a stable foundation.

Step 2: Install the Base Layer

Spread a 2-inch layer of gravel over the prepared base. Compact the gravel using a tamper or plate compactor. Install a layer of masonry sand over the gravel and level it using a screed.

Step 3: Lay the First Course

Mix mortar according to the manufacturer's instructions. Spread a thin layer of mortar on the sand base. Start laying the cinder blocks along the longest edge of the patio, ensuring they are level and straight.

Step 4: Continue Laying the Course

Apply mortar to the top and ends of each block and continue laying the blocks in a running bond pattern (offset rows). Use a level to ensure each row is straight and the blocks are level.

Step 5: Stagger the Joints

When laying the second course, stagger the joints by half the length of a cinder block. This interlocking pattern increases the strength and stability of the patio.

Step 6: Fill the Joints

Once the patio is complete, fill the joints with mortar. Use a jointer tool to smooth the mortar and create a finished appearance.

Step 7: Cure the Patio

Allow the patio to cure for at least 24 hours before walking on it. Keep the patio moist during this time by lightly misting it with water.

Step 8: Finishing Touches (Optional)

You can enhance the appearance and functionality of your cinder block patio by adding edging material, a fire pit, or seating. Seal the patio with a concrete sealer to protect it from moisture and stains.


  • Use a block splitter or hammer and chisel to cut cinder blocks to the desired size.
  • Lay a straight edge or string along the perimeter of the patio to ensure straight and even rows.
  • Allow ample time for the mortar to cure before using the patio.
  • Regularly clean and seal the patio to maintain its appearance and prevent damage.


Building a patio with cinder blocks is a rewarding project that can transform your outdoor space into a beautiful and practical area for relaxation, dining, and entertainment. By following these steps and using the right materials and techniques, you can create a durable, long-lasting patio that will enhance your home for years to come.

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