When you transition from a standard workshop to living and working on the road, storage and functional workspace become your biggest engineering challenges. Managing weight distribution is one thing, but finding the physical space to repair tools, film videos, or simply prepare a meal is another.

To solve this, I designed and fabricated a modular, heavy-duty exterior table system spanning over 5.5 meters that mounts directly to the van’s chassis. Alongside this, I overhauled the electrical system to deliver nearly 1,600W of solar power.

You don’t need to spend thousands on specialized camper gear. This motorhome table system cost under £400 and provides a rock solid surface for repairs, cooking or just enjoying a beer in the sun. You can also watch the video above to get a better understanding.

For high quality replacement components and structural tools used in this build you can check our Amazon affiliate links below:

  1. Silicone Sealent: https://amzn.to/3P9J38E (Alternative for Sikaflex)
  2. Pole Brackets for Legs: https://amzn.to/40zbEqk
  3. Hinges: https://amzn.to/4uxCa0S
  4. Pole Sockets: https://amzn.to/4lByvvi
  5. Victron 12v Multiplus: https://amzn.to/4skthXm
  6. MPPT Controllers: https://amzn.to/4bJt61z
  7. Victron Orion DC-DC Converter: https://amzn.to/3PF68jy
  8. Threaded Rivet Gun: https://amzn.to/4rxDMFm

The 5.5-Meter Modular Exterior Table System

The primary objective was to create a rock solid, ultra-lightweight exterior workbench that folds flat against the vehicle during transit without adding unnecessary aerodynamic drag or protruding hazards.

1. Exterior Table Component Specifications & Cost Breakdown

The entire setup weighs under 30 kg and was constructed for less than £100 in structural hardware:

  1. Exterior Table Tops: 2mm aluminum checker plate (divided into one long section and one short section for modular deployment).
  2. Hinges: Heavy-duty stainless steel marine hinges (approx. £8–£9 each).
  3. Leg Sockets: Stainless steel deck cups (approx. £2 each).
  4. Support Legs: Reclaimed aluminum medical crutches (highly adjustable for uneven terrain).

2. Vehicle Interface & Galvanic Corrosion Prevention

When mounting stainless steel hardware to an aluminum vehicle body, you must prevent galvanic corrosion.

  1. You should apply a structural bonding agent like Sikaflex to the back of the hinge leaf.
  2. Mount the hinge to the body using aluminum pop rivets.
  3. Paul’s Tip: Allow the adhesive compound to partially cure before final riveting. This ensures a permanent, non-conductive isolation barrier remains between the two dissimilar metals rather than being entirely squeezed out.
  4. Fiberglass Bodies: If mounting to a fiberglass coachbuilt body, you must install an internal reinforcing backplate to distribute structural loads.

3. Chassis Anchoring

The table framework utilizes heavy duty threaded rivets compressed directly into the structural mounting points of the motorbike/bicycle rack rail. Long locking bolts run through the table segments to secure them structurally during deployment.

4. Load Distribution

The exterior table system is designed so that zero downward load is placed on the vehicle’s body panels. Stainless steel leg cups are pop riveted and bonded to the underside of the checker plate. Reclaimed aluminum crutches click into these cups, transferring 100% of the vertical weight directly to the ground. This creates a platform rigid enough to support adult weight.

High Yield 1,600W Solar & Off-Grid Victron Power System

To run a mobile repair shop alongside high draw domestic appliances (like air fryers, coffee makers, and power tools), a standard leisure battery setup will not suffice.

That’s why my campervan utilizes a fully integrated Victron Energy system managed via a centralized control interface with remote cloud monitoring.

  1. Primary Array: 3x 400W solar panels mounted to a custom roof rack system (integrated with clean under-panel storage for long items like fishing rods). High-voltage delivery is regulated via a Victron SmartSolar MPPT 150 Controller.
  2. Secondary Array: 3x 120W flexible panels mounted to the front vehicle transition zone, feeding a separate Victron SmartSolar MPPT 130 Controller. Separating the arrays ensures optimal MPPT tracking across different angles and shading conditions.
  3. DC-to-DC Charging: A Victron Orion 30A DC-DC charger links the engine alternator to the living quarters, trickling 30A into the system while driving during zero-sun conditions.
  4. Inverter/Charger: A Victron MultiPlus 12V / 2000W / 80A Inverter Charger handles the inversion to 230V AC power.

Domestic Appliance Selection for Off-Grid Reliability

Many campervan conversions utilize specialized 12V/24V three way absorption or compressor refrigerators. These units are notoriously expensive, mechanically complex, and inefficient in high ambient temperatures.

With 1,600W of solar generation, you can eliminate these specialized units entirely and run standard domestic mains appliances.

Appliance Specifications:

  1. Refrigerator: A standard mains powered Fridgemaster domestic fridge-freezer (Maximum width profile: 550mm). At this point, I have an advice for all of you. You should select a non auto defrost (manual defrost) model. These units contain only a mechanical thermostat and a standard compressor. By eliminating electronic defrost timers and heating elements, you drastically reduce energy consumption and eliminate common electronic failure points. To fit a standard domestic unit through a campervan habitation door, you must completely unbolt and remove the refrigerator doors before maneuvering the chassis inside.
  2. Microwave: Standard mains-powered Bosch unit.
  3. Espresso Machine: Beko mains espresso unit with an integrated rear water reservoir.

This mobile setup is fully off grid self sufficient, routinely hitting 100% state of charge (SoC) by mid morning, even under overcast skies.

If you have any questions about your appliances, please provide your brand, full model number which is written on the identification label, and a detailed description of the issue. Please visit our Contact Us page and make sure you fill out the request for what your problem is. A video shoot of the problem would be perfect as well.

If you found this guide helpful, consider supporting us by clicking on the Buy Paul a Beer link to help us continue making repair videos and guides.

For high quality replacement components and structural tools used in this build you can check our Amazon affiliate links below:

  1. Silicone Sealent: https://amzn.to/3P9J38E (Alternative for Sikaflex)
  2. Pole Brackets for Legs: https://amzn.to/40zbEqk
  3. Hinges: https://amzn.to/4uxCa0S
  4. Pole Sockets: https://amzn.to/4lByvvi
  5. Victron 12v Multiplus: https://amzn.to/4skthXm
  6. MPPT Controllers: https://amzn.to/4bJt61z
  7. Victron Orion DC-DC Converter: https://amzn.to/3PF68jy
  8. Threaded Rivet Gun: https://amzn.to/4rxDMFm
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