Functional Convertible Picnic Table Bench: Full 6-Step Guide

Who does not enjoy a good picnic? There is something about enjoying food outdoors that appeals to everybody.

We have picnics on castle walls and beaches, in countless patios, hotel rooms, and balconies. Many of us also like picnicking at home!

When we first shared the idea, Many of you asked for a tutorial or a set of plans on how to build a convertible picnic table bench. It is indeed a clever furniture design that any DIY-er would want to build, but it is also a little complex…

Fortunately, we found a DIYer who has already built his own version and is now sharing the details of his project with the rest of the world!

The tutorial he is sharing now features his first-ever convertible picnic/table build. It contains very detailed and complete drawings and actual pictures to guide you as you build your own.

Though this furniture design involves several details, this tutorial will teach you that it is not difficult to build. It only requires building tools that any DIYer probably already has in his toolbox. What’s even better is that it can be finished over a weekend.

If you’ve been looking for guidance on building your own convertible picnic table/bench, his tutorial will help you get your project started! Head over to it now by clicking on the link provided below our album of convertible picnic table/benches!

Building a Convertible Picnic Table Bench

Materials:

• Timber
• Bolts and Washers
• Wood Glue
• Boat Varnish

Tools:

• Table Saw
• Router
• Jigsaw
• Sander
• Drill
• Wood Clamps

Steps:

Step 1: Prepare and Cut the Timber

1. Measure and mark the timber pieces according to the dimensions needed for the seat, tabletop, legs, and supports.
2. Use the table saw to make straight cuts. If there are curved or angled sections, use the jigsaw for precision.
3. Smooth the edges with a sander to remove splinters and rough surfaces.

Step 2: Create the Bench and Tabletop Sections

1. Arrange the bench seat and tabletop slats, leaving small gaps between them to allow for wood expansion.
2. Apply wood glue along the edges of the slats to add strength.
3. Use wood clamps to hold the slats together while the glue sets.
4. Drill pilot holes and secure the slats with bolts and washers for extra durability.

Step 3: Construct the Frame and Legs

1. Cut the legs and support braces according to the measurements.
2. Use the router to round off sharp edges for a smoother finish.
3. Attach the legs to the bench and table sections, ensuring they are sturdy and properly aligned.
4. Drill holes and insert bolts with washers to reinforce the connections.

Step 4: Install the Pivoting Mechanism

1. The key feature of this design is its ability to convert from a bench into a table.
2. Attach hinges or pivoting points at the appropriate joints where the bench backrest will fold up to become the tabletop.
3. Drill the holes and insert bolts and washers to secure the moving parts.
4. Test the convertible function to ensure the table moves smoothly between positions.

Step 5: Sand and Apply Finish

1. Use the sander to go over the entire structure, making sure there are no rough edges or splinters.
2. Apply boat varnish to seal the wood and protect it from outdoor elements.
3. Let the varnish dry completely before using the bench.

Step 6: Final Assembly and Testing

1. Double-check all bolts and connections to make sure they are tight.
2. Flip the bench into both positions to confirm it locks securely in place.
3. If needed, make small adjustments to improve the folding mechanism.

Weatherproofing Your DIY Convertible Picnic Table Bench

A convertible picnic table bench is a great addition to any outdoor space, but exposure to the elements can take a toll on the wood over time. Rain, sunlight, and humidity can cause warping, cracking, and even rot if the bench is not properly protected. To ensure your project lasts for years, you need to apply the right weatherproofing techniques. Here’s how to protect your convertible picnic table from the effects of moisture, UV rays, and temperature changes.

Choose the Right Wood

The type of wood you use significantly affects how well your convertible picnic table bench will withstand outdoor conditions. Hardwoods like teak, cedar, and redwood naturally resist moisture and insects, making them excellent choices. If you’re using a softer wood like pine, consider pressure-treated timber, which is designed to handle prolonged exposure to the elements.

Seal the Wood with a Protective Finish

Applying a protective sealant is essential to prevent moisture absorption. A marine-grade varnish or outdoor polyurethane will provide a strong, clear barrier against water and humidity. If you prefer a more natural look, linseed oil or tung oil can also be used, though they require more frequent reapplication. Make sure to coat every surface, including the undersides of the tabletop and bench, to prevent water damage from all angles.

Use Exterior-Grade Paint or Stain

A high-quality exterior wood stain will enhance the appearance of your bench while adding an extra layer of protection. Stains penetrate the wood and help prevent swelling or shrinking due to temperature changes. If you prefer to paint, choose a UV-resistant exterior paint that can withstand fading and cracking. Apply multiple coats, allowing each layer to dry thoroughly before adding the next.

Reinforce Joints and Hardware

Even with weatherproof coatings, metal fasteners like bolts and washers can rust over time, weakening the structure. Use stainless steel or galvanized bolts to prevent corrosion. You can also apply a protective coat of rust-resistant spray to metal parts for extra longevity. Regularly check and tighten any loose bolts to maintain the structural integrity of your picnic table.

Protect from Moisture and Standing Water

To avoid wood rot, place your convertible picnic table bench on a dry, elevated surface rather than directly on damp ground. Consider placing rubber pads under the legs to reduce direct contact with wet surfaces. If your bench is on grass or soil, moving it occasionally can prevent moisture buildup and extend its lifespan.

Perform Routine Maintenance

Even the best weatherproofing requires upkeep. Inspect your bench every few months for signs of wear, such as peeling varnish, cracks, or rusting hardware. Clean it with mild soap and water to remove dirt and mildew, and reapply a fresh coat of sealant or stain as needed. Proper maintenance will keep your convertible picnic table looking great and functioning smoothly for years.

By following these steps, you can protect your DIY project from the elements and enjoy your convertible picnic table bench season after season.

Convertible Picnic Table Bench Gallery

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Benefits of a Convertible Picnic Table Bench

A convertible picnic table bench is a versatile, space-saving outdoor furniture piece that combines functionality and style. Whether you have a small patio, a backyard garden, or a camping site, this innovative design offers convenience and efficiency. Instead of choosing between a picnic table or a bench, you get both in one piece of furniture. Here’s why a convertible picnic table is a great addition to any outdoor space.

Maximizes Space Efficiency

Traditional picnic tables occupy a fixed amount of space, and separate benches require even more room. A convertible picnic table bench saves space by transforming from a bench to a table when needed. This feature makes it ideal for small patios, balconies, or compact backyard areas where every inch counts. You can easily switch between functions depending on your needs.

Offers Multi-Functionality

The ability to serve as both a table and a bench adds flexibility to any outdoor setting. When folded into a bench, it provides a comfortable place to sit and relax. When extended into a table, it creates a convenient dining area for meals, drinks, or outdoor projects. This versatility makes it a practical choice for families, outdoor enthusiasts, and DIY lovers.

Enhances Outdoor Entertaining

A convertible picnic table is perfect for hosting outdoor gatherings. Guests can start by sitting on the bench for casual conversations, then switch to a table setup for meals or activities. It allows you to adapt your seating arrangement without the need for additional furniture. Whether you’re having a backyard barbecue, a picnic, or a bonfire night, this design keeps everything functional and comfortable.

Durable and Long-Lasting

A convertible picnic table bench created from solid materials and correctly weatherproofed will survive for years. Durable wood, corrosion-resistant hardware, and protective coatings guarantee that it resists different environmental conditions. Regular maintenance helps it to stay strong and useful throughout many seasons.

Ideal for DIY Enthusiasts

One fulfilling do-it-yourself activity is building your own convertible picnic table. It lets you match the proportions, style, and finish to your outside area. To produce a one-of- a-kind and individualized work, do-it-yourselfers can also play around with several woods, stains, and hardware. Making it yourself also saves costs as compared to purchasing a pre-made copy.

Cost-Effective and Eco-Friendly

A convertible picnic table bench offers two uses instead of purchasing individual outdoor furniture pieces, lowering total expenses. It can also be a green option built from responsibly obtained or recycled wood. Reducing waste and creatively using resources help to lead a more sustainable way of living.

Beyond furniture, a convertible picnic table is a sensible, robust, and fashionable dining and sitting arrangement for outdoor spaces. Its space-saving and multifarious design makes it a wise investment, whether for everyday usage or sporadic events.

Conclusion

Building a convertible picnic table bench is a rewarding DIY project that adds both function and style to any outdoor space. With the right materials, tools, and weatherproofing techniques, you can create a durable and versatile piece of furniture that serves as both a comfortable bench and a practical picnic table. This design offers long-term value and convenience, whether for family gatherings, relaxing in the backyard, or maximizing a small patio.

Continue reading our articles to create the perfect relaxing outdoor space. Read our guide on making your own outdoor privacy bench!