Creating your own utility trailer sides allows for customized solutions tailored to your specific hauling needs and budget. This guide provides a detailed, step-by-step approach to designing, building, and installing durable and effective trailer sides, transforming your flatbed into a versatile workhorse.
Choosing the Right Design and Materials
The success of your trailer side project hinges on a well-thought-out design and the selection of appropriate materials. Consider the primary uses of your trailer. Will you be hauling landscaping materials, construction debris, or furniture? The answer dictates the required height, strength, and overall construction method.
Material Selection: Metal vs. Wood
Two primary materials dominate the utility trailer side construction landscape: metal and wood. Each offers distinct advantages and disadvantages.
- Metal (Steel/Aluminum): Offers superior durability, weather resistance, and a professional aesthetic. Steel is generally more affordable but heavier than aluminum. Welding is typically required, which necessitates specific skills and equipment. Aluminum is lighter and resists rust better than steel, making it ideal for coastal environments.
- Wood: Offers affordability, ease of working (especially for beginners), and readily available materials. Pressure-treated lumber is essential for resisting rot and insect damage. Wood sides require regular maintenance, including sealing and painting, to prolong their lifespan.
Design Considerations: Height and Gate Options
The height of your trailer sides should reflect the types of loads you intend to carry. Low sides (12-18 inches) are suitable for hauling flat items or providing a secure base for strapping down larger loads. Higher sides (24-36 inches or more) are ideal for loose materials like mulch or gravel.
Consider incorporating a rear gate for easy loading and unloading. This can be a simple hinged gate or a more elaborate ramp-style gate. Ensure the gate is securely latched when closed.
Step-by-Step Construction Process
Once you’ve finalized your design and selected your materials, the construction process can begin. This guide focuses on a basic wooden side construction, as it is generally more accessible to DIYers.
1. Measuring and Cutting the Materials
Accurate measurements are crucial for a professional-looking and functional finished product. Measure the perimeter of your trailer bed. Account for any existing stake pockets or mounting points. Cut the lumber for the side rails (horizontal) and upright supports (vertical) to the appropriate lengths. Remember the old adage: measure twice, cut once.
2. Assembling the Frame
Construct the frame by attaching the upright supports to the side rails. Use screws, nails, or a combination of both. Ensure the joints are square and strong. Consider using wood glue for added strength and durability. Space the upright supports evenly along the length of the side rails.
3. Adding the Siding
Attach the siding material (e.g., plywood, planks, or expanded metal) to the frame. Again, use screws, nails, or bolts depending on the material and desired strength. Overlap the siding pieces slightly for added weather protection. Ensure all fasteners are securely tightened.
4. Attaching the Sides to the Trailer
This step requires careful planning and execution. Utilize existing stake pockets if available. If not, you’ll need to fabricate mounting brackets. Weld the brackets to the trailer frame (if using metal sides) or bolt them securely (for wood sides). Ensure the sides are securely attached to the trailer frame and can withstand the forces of hauling.
5. Finishing Touches: Painting and Sealing
Protect your investment by applying a weather-resistant sealant or paint to the trailer sides. This will prolong their lifespan and prevent rot, rust, or other damage. Consider adding reflective tape or lights for added safety.
Safety Considerations
Safety should always be paramount when working on any DIY project.
- Wear appropriate safety gear: Eye protection, gloves, and hearing protection are essential.
- Work in a well-ventilated area: Especially when welding or using solvents.
- Use power tools safely: Follow the manufacturer’s instructions and take necessary precautions.
- Secure the trailer: Ensure the trailer is properly supported and won’t move during construction.
Frequently Asked Questions (FAQs)
1. What type of wood is best for trailer sides?
Pressure-treated lumber is highly recommended for its resistance to rot and insect damage. Southern Yellow Pine is a common and affordable option. Cedar and redwood offer superior weather resistance but are more expensive. Always ensure the wood is rated for outdoor use.
2. How do I attach metal sides to a trailer without welding?
Bolting is a viable alternative to welding for attaching metal sides. Use heavy-duty bolts, washers, and lock nuts to secure the sides to the trailer frame. Ensure the bolts are properly tightened and checked periodically. Consider using angle iron for additional support.
3. What is the ideal height for trailer sides?
The ideal height depends on your specific needs. 12-18 inches is suitable for securing flat items, while 24-36 inches or higher is better for loose materials. Consider the weight and volume of your typical loads.
4. How do I build a ramp gate for my utility trailer?
A ramp gate requires sturdy construction and a reliable latching mechanism. Use heavy-duty hinges and a strong frame. Consider using expanded metal for the ramp surface for better traction. Ensure the ramp is rated for the weight you intend to carry.
5. How do I prevent my wooden trailer sides from rotting?
Regular maintenance is key. Apply a weather-resistant sealant or paint annually. Inspect the wood for signs of rot and repair any damage immediately. Keep the trailer covered when not in use. Good drainage is also important to prevent water from pooling.
6. What is the best way to secure cargo inside the trailer?
Use ratchet straps, bungee cords, or rope to secure your cargo. Distribute the weight evenly and ensure the cargo is tied down securely to prevent shifting during transit. Consider using cargo nets or tarps to contain loose materials.
7. Can I use recycled materials to build my trailer sides?
While using recycled materials can be a cost-effective option, it’s essential to ensure they are structurally sound and suitable for the intended purpose. Avoid using rotted wood or severely rusted metal. Prioritize safety and durability over cost savings.
8. What are the legal requirements for trailer sides in my state?
Trailer regulations vary by state. Check your local DMV or DOT for specific requirements regarding side height, lighting, and gate latches. Ensuring compliance with local regulations is crucial for avoiding fines and ensuring safety.
9. How do I repair damaged trailer sides?
Minor damage can often be repaired with wood filler or metal patching. More severe damage may require replacing the damaged section or the entire side. Address damage promptly to prevent it from worsening.
10. What type of fasteners should I use for building trailer sides?
For wood sides, use galvanized screws or nails for their corrosion resistance. For metal sides, use bolts, rivets, or welds. Choose fasteners that are appropriate for the materials you are using and the level of strength required.
11. How much does it cost to build trailer sides?
The cost varies depending on the materials used, the size of the trailer, and the complexity of the design. Wood sides are generally more affordable than metal sides. Get quotes from local lumberyards and metal suppliers to get an accurate estimate.
12. Do I need a permit to build trailer sides?
In most cases, a permit is not required for simply adding sides to an existing trailer. However, if you are significantly altering the trailer’s structure or modifying its weight capacity, you may need to obtain a permit. Check with your local building department for clarification.
By carefully planning, selecting the right materials, and following these steps, you can build durable and effective utility trailer sides that will enhance the functionality and versatility of your trailer for years to come. Remember to prioritize safety and adhere to local regulations to ensure a successful and compliant project.