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How to Build a Boardwalk on the Ground?
Boardwalks are built so that people can walk on them instead of on muddy streets. In addition, boardwalks with high-quality boardwalk decking can make a home look nicer, add to its value, and bring some fun. Building a boardwalk involves several key steps to ensure stability, durability, and functionality.
If the right materials are used, such as timber tube structures for supports and durable boardwalk decking, building a boardwalk on your land can be very beautiful and doesn’t need to cost a lot of money. Boardwalks can be much cheaper than stone or concrete trestles because stone or concrete trestles require a lot of work and cost a lot of money.
A boardwalk makes it easier to get to your garden, deck, or wet area. It also coordinates better with the rest of the landscape. Combine a boardwalk with a deck and they can better increase the resale value of your home.
Tools Needed
- A level
- Tape measure
- Circular saw
- Jig saw (optional, depending on if boardwalk is curved or not)
- Concrete or brick supports
- Stringers
- Slats of 2×4 or 2×6 pressure treated wood
- Cordless drill
- Hex-head deck screws
How to Choose the Right Boardwalk
Standard boardwalks are made of wood. Most people use pressure-treated wood to build boardwalks, but this isn’t always the best option.
Pressure-treated wood requires regular maintenance and care work. After a while, boardwalks can rot, crack, and discolor. In addition, pressure-treated wood can mold and rot if the boardwalk is located in a humid area. This is because places with high humidity are conducive to the propagation of fungus, which is responsible for the rotting of boardwalks.
Therefore, you can also use waterproof, mold-resistant composite decking boards instead. Composite decking boards are strong and durable and last longer. Compared to pressure-treated wood, composite decking materials require little maintenance. Therefore, composite decking is a better choice for building boardwalks than wood.
Develop a Plan for Your Boardwalk
Despite what you may think a sidewalk doesn’t have to be built in a straight line. It can still be used for curved paths. On the other hand, building a straight boardwalk is easier than a curved one. If you want to make the best choice for your backyard, not the easiest one. Then a curved boardwalk through your garden may be more aesthetically pleasing.
Since building a boardwalk is a “build and go” project, you can’t plan every step ahead of time. Still, you should do some planning before you begin. Make sure you know the length and shape of the boardwalk before you buy the slats, supports, stringers, and other things you may need.
Some of the better boardwalks have the appearance of horizontal “steps” that can be moved left or right by moving the slats a few inches to the left or right from a position parallel to each other. For this to work, the slats need to be spaced four feet closer to each other as they are moved from a straight line to an angle. Place the slats on each new four-foot sight line.
How Do I Build a Boardwalk?
Step 1: Clear and Plan the Path
First, clear the path where the boardwalk will be installed. At the same time, make sure the ground is level and free of anything that might obstruct the path.
Plan the path for the boardwalk. For the beams, you should use pressure-treated 2×6 lumber and place them on concrete or brick supports 48 inches apart.
The 48-inch spacing between the struts will make them stronger. You can have longer spans, but those spans won’t be well supported. But if there are several people, or even a wheelbarrow loaded with lots of stuff, on these longer spans, your boardwalk will fall apart.
Step 2: Install the Supports
Set supports on four-foot centers, spaced at least three feet apart. Use a level to make sure all supports, longitudinal beams, and slats are level when placed.
Typically, a sidewalk or deck is 42 inches wide. Your supports can support longitudinal beams spaced three feet apart, leaving a six-inch gap between the ends of each slat.
Step 3: Laying the Longitudinal Beams
Once the supports are in place, lay the first set of longitudinal beams. A single hex head deck screw should be used to secure the first slat in place. Secure the other slat to the opposite end of the frame using the same single hex head deck screw.
Step 4: Attach the Slats to the Longitudinal Beams
To ensure that the first set of longitudinal beams is square, measure the diagonals. If the angles are the same, you can begin attaching the slats to the longitudinal beams.
Note: If you want to build a straight sidewalk and have not already done so. Then please cut the slats to make sure they are the same length.
Step 5: Continue Installing the Slats
When laying the wooden slats, make sure that the slats are attached to the longitudinal beams. The boardwalk may have curves. You can mark the direction you want to go as you walk. As you lay the slats, mark where you want to cut the wood or scrape off parts of the wood to get the desired shape. Leave a few inches of space between the base and where you want to cut the wood.
The last three slats should not be unscrewed until the next set of longitudinal beams is in place. Use the end of the first set of longitudinal beams as a starting point for the second set, and so on. Check the diagonal measurements with each new set of longitudinal beams installed.
Step 6: Trimming Away Excess Timber
Once all the slats have been laid and marked, it is time to trim off the unwanted timber. To make a tight curve, you should use a jigsaw. For a smoother curve, a circular saw should be used.
Use a tape measure to find a fixed distance from the side of the already-cut slats. This will help you move the curve to the other side of the abutment. Along the length of each plank, mark the distance on the side that has not yet been cut. These lines will tell you which curve to cut with the saw to match the already cut side.
How to Build an Arched Sidewalk
Building an arched walkway over a wet area, a small pond, or even a koi pond can add a little pizzazz to your garden. Creating an arched walkway that is sturdy enough with 2×8 boards takes some work.
You’ll need to screw two to three-foot lengths of joinery together and then cut a curve in the stepped joinery to create the arch. If you build these simple arches with two 2×8 battens, they can be supported up to 96 inches apart.
Summarizing
On the boardwalk, the only thing that can stop you is your mind. For swing bridges, it’s enough to securely attach a few chains to anchor posts buried deep in the ground. Attach the slats to the chains with U-bolts, and you have a bridge over a pond for kids to explore.
You must decide if your bridge abutments need handrails or are low enough to be just a pathway when finished. Either way, you’ve made a wonderful addition to your property and it’s fun to do.
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