Want a cool bench for your garden without spending a lot of money? You can build one yourself using cinder blocks! It’s easier than you think, and we’ll show you exactly how.
Quick Answer: You can make a simple garden bench using cinder blocks, wooden beams, and construction adhesive. Just stack the blocks to your desired height, slide in the beams, and secure everything for a sturdy and stylish outdoor seat.
Create Your Dream Outdoor Space: A DIY Cinder Block Garden Bench Guide
Creating a beautiful and inviting garden space doesn’t have to break the bank. One fantastic way to add both functionality and style is by building your own garden bench. This guide focuses on a simple yet effective method: using cinder blocks and wooden beams. It’s a project that’s beginner-friendly, budget-conscious, and allows for plenty of customization.
Why Choose a Cinder Block Garden Bench?
Before diving into the how-to, let’s look at the benefits of choosing this particular type of garden bench:
- Affordability: Cinder blocks and wooden beams are relatively inexpensive materials compared to traditional garden furniture.
- Durability: Cinder blocks are incredibly sturdy and weather-resistant, meaning your bench will last for years.
- Easy to Build: The construction process is straightforward, requiring minimal tools and skills.
- Customizable: You can easily adjust the size, design, and finish of your bench to match your personal style and garden aesthetics.
- Modern Look: Cinder block benches offer a contemporary, minimalist look that complements various garden styles.
- Quick Build: You can usually complete this project in just a few hours.
Gathering Your Materials and Tools
The success of your cinder block garden bench project hinges on having the right materials and tools readily available. Here’s a comprehensive checklist:
Cinder Blocks: Determine the number of blocks you’ll need based on your desired bench length and height. Standard cinder blocks are 8 x 8 x 16 inches, but you can find different sizes if needed. Choose blocks that are visually appealing and free from major cracks or damage.
Wooden Beams: These will serve as the seating surface. Select beams that are thick and sturdy enough to support weight. Pressure-treated lumber is ideal for outdoor use as it resists rot and insect damage. Common sizes are 4×4 or 4×6 inches, but you can adjust the size based on your aesthetic preferences. Decide on the length of the beam. It should be a bit longer than the space between the cinder block supports so it can overhang slightly.
Construction Adhesive: This is essential for bonding the cinder blocks together and adding stability to the bench. Choose a construction adhesive specifically designed for masonry and outdoor use.
Sandpaper: Use sandpaper to smooth any rough edges or splinters on the wooden beams.
Paint or Stain (Optional): If you want to customize the look of your bench, you can paint or stain the wooden beams and/or the cinder blocks. Use exterior-grade paint or stain for weather protection.
Safety Glasses: Always wear safety glasses to protect your eyes from dust and debris when working with cinder blocks and wood.
Work Gloves: Gloves will protect your hands from rough surfaces and potential injuries.
Measuring Tape: A measuring tape is crucial for accurate measurements and ensuring your bench is the correct size.
Level: A level will help you ensure that the cinder blocks are stacked evenly and that the bench is level.
Shovel: A shovel might be needed to level the ground where you will place the bench.
Paintbrush or Roller (Optional): If you plan to paint or stain the bench, you’ll need a paintbrush or roller.
- Drop Cloth (Optional): A drop cloth will protect the ground or surrounding areas from paint or stain spills.
Planning Your Bench Design
Before you start stacking blocks, take some time to plan your bench design. Consider the following factors:
Bench Length: Determine how long you want your bench to be. This will dictate the number of wooden beams you’ll need and the spacing between the cinder block supports.
Bench Height: Standard bench height is around 16-18 inches. Factor in the height of the cinder blocks and the wooden beams when calculating the overall height.
Bench Depth: The depth of the bench will depend on the width of the wooden beams.
Number of Supports: Decide how many cinder block supports you want to use. A general rule of thumb is to have one support every 4-6 feet. For longer benches, consider adding a middle support for extra stability.
- Layout: Sketch out your design on paper, noting the dimensions and placement of the cinder blocks and wooden beams. This will help you visualize the finished product and avoid mistakes.
Step-by-Step Construction Guide
Now that you’ve gathered your materials and planned your design, it’s time to build your cinder block garden bench! Follow these step-by-step instructions:
Step 1: Prepare the Site
Choose a level area in your garden for the bench. Clear away any grass, weeds, or debris. If the ground is uneven, use a shovel to level it out. A stable and level foundation is crucial for a sturdy bench. Compacting the soil will help prevent the bench from sinking over time.
Step 2: Lay the First Course of Cinder Blocks
Position the first course of cinder blocks on the prepared site according to your planned layout. Make sure the blocks are evenly spaced and aligned. Use a level to ensure that the blocks are sitting flat and level. This first layer is the foundation, so accuracy is important.
Step 3: Apply Construction Adhesive
Apply a generous bead of construction adhesive to the top surface of each cinder block in the first course. This will help bond the second course of blocks to the first, creating a more stable structure. Make sure to use adhesive that is appropriate for masonry applications.
Step 4: Lay the Second Course of Cinder Blocks
Carefully position the second course of cinder blocks on top of the first, aligning them according to your design. Press down firmly on each block to ensure good contact with the adhesive. Use a level to check that the second course is also level.
Step 5: (Optional) Add Additional Courses
If you want a taller bench, you can add additional courses of cinder blocks, repeating steps 3 and 4. Remember to apply construction adhesive between each layer and ensure that each course is level. Be mindful of the overall height of the bench and make sure it is comfortable for sitting.
Step 6: Prepare the Wooden Beams
If necessary, cut the wooden beams to the desired length using a saw. Sand down any rough edges or splinters with sandpaper. If you plan to paint or stain the beams, do so at this stage. Allow the paint or stain to dry completely before proceeding. Applying a sealant will also help protect the wood from the elements.
Step 7: Insert the Wooden Beams
Carefully slide the wooden beams into the openings in the cinder blocks. Make sure the beams are securely seated and evenly spaced. Adjust the position of the beams as needed to achieve the desired look.
Step 8: Secure the Beams (Optional but Recommended)
While the weight of the beams will usually hold them in place, you can further secure them by applying construction adhesive to the contact points between the beams and the cinder blocks. This will prevent the beams from shifting or moving over time. You can also use screws or nails to secure the beams, but this may require pre-drilling holes.
Step 9: Let the Adhesive Cure
Allow the construction adhesive to cure completely according to the manufacturer’s instructions. This may take 24-48 hours. Avoid sitting on the bench until the adhesive is fully cured.
Step 10: Finishing Touches
Once the adhesive is cured, your cinder block garden bench is complete! Add any finishing touches you desire, such as cushions, pillows, or decorative plants. Enjoy your new outdoor seating area!
Customization Options
One of the great things about this project is the ability to customize it to suit your individual style and needs. Here are a few ideas:
- Paint or Stain: Paint or stain the cinder blocks and/or wooden beams to match your garden décor. Use exterior-grade products for weather protection.
- Add Cushions: Soften the seating surface by adding cushions or pillows. Choose outdoor fabrics that are durable and weather-resistant.
- Incorporate Plants: Place potted plants on top of the cinder blocks or in the openings to add greenery and visual interest.
- Vary the Cinder Block Layout: Experiment with different stacking patterns to create unique designs.
- Use Different Materials: Consider using other materials for the seating surface, such as reclaimed wood, composite decking, or even stone slabs.
- Add a Backrest: Build a simple backrest using wooden planks or metal rods.
- Incorporate Lighting: Add string lights or solar-powered lights to create a cozy and inviting atmosphere.
Safety Considerations
While this is a relatively simple project, it’s important to take certain safety precautions:
- Wear Safety Glasses and Gloves: Protect your eyes and hands from dust, debris, and sharp edges.
- Lift Cinder Blocks Carefully: Cinder blocks are heavy, so lift them with your legs and avoid straining your back.
- Work in a Well-Ventilated Area: If you are painting or staining the bench, work in a well-ventilated area to avoid inhaling harmful fumes.
- Supervise Children: Keep children away from the construction area to prevent accidents.
- Use Caution with Power Tools: If you are using power tools, such as a saw or drill, follow the manufacturer’s instructions and wear appropriate safety gear.
Addressing Common Concerns
Here’s how to deal with some potential issues that might arise:
- Uneven Ground: As mentioned earlier, a level foundation is crucial. If the ground is uneven, take the time to level it out before you start building. You can use a shovel to remove excess soil or add soil to fill in low spots.
- Wobbly Bench: If your bench is wobbly, check that the cinder blocks are stacked evenly and that the ground is level. You may need to add shims under the blocks to level them out.
- Cracked Cinder Blocks: Inspect the cinder blocks before you buy them and avoid using any that are cracked or damaged. Cracks can compromise the structural integrity of the bench.
- Wood Rot: To prevent wood rot, use pressure-treated lumber for the wooden beams and apply a sealant or stain to protect the wood from moisture.
- Moving the Bench: Cinder block benches can be heavy and difficult to move once they are assembled. Consider building the bench in its final location or enlisting help to move it.
Maintaining Your Cinder Block Garden Bench
Proper maintenance will help extend the life of your cinder block garden bench. Here are a few tips:
- Clean Regularly: Clean the bench regularly with a brush and soapy water to remove dirt and debris.
- Reapply Sealant: If you have sealed the wooden beams, reapply sealant every year or two to maintain their weather resistance.
- Inspect for Damage: Regularly inspect the bench for cracks, chips, or signs of wood rot. Repair any damage promptly to prevent it from worsening.
- Protect from Harsh Weather: During harsh weather conditions, such as heavy rain or snow, consider covering the bench with a tarp to protect it from the elements.
Frequently Asked Questions (FAQ)
Here are some frequently asked questions about building a cinder block garden bench:
Q1: How much does it cost to build a cinder block garden bench?
The cost varies depending on the price of materials in your area. However, you can typically build a simple cinder block bench for under $100, making it a very budget-friendly option.
Q2: What is the best type of wood to use for the seating surface?
Pressure-treated lumber is the best option for outdoor use as it is resistant to rot and insect damage. Cedar and redwood are also good choices, but they are generally more expensive.
Q3: Do I need to use construction adhesive?
Yes, construction adhesive is highly recommended as it adds stability to the bench and prevents the cinder blocks from shifting.
Q4: Can I paint the cinder blocks?
Yes, you can paint the cinder blocks. Use an exterior-grade masonry paint for best results. Be sure to clean the blocks thoroughly before painting.
Q5: How long will a cinder block garden bench last?
With proper construction and maintenance, a cinder block garden bench can last for many years, even decades.
Q6: Is this project suitable for beginners?
Yes, this is a great project for beginners as it requires minimal tools and skills. The step-by-step instructions in this guide will walk you through the process.
Conclusion
Building a cinder block garden bench is a rewarding DIY project that adds both functionality and style to your outdoor space. It’s a cost-effective, durable, and customizable option that’s perfect for beginners. With a little planning and effort, you can create a beautiful and inviting seating area that you’ll enjoy for years to come. So, gather your materials, follow the steps, and get ready to relax and enjoy your new garden bench!
