Unmapped Roots

Building your camper?Let’s get it right.

I’m Dave. I’m an electrical engineer, I built my own van, and I’m now in my second year living in it on the road. I combine my engineering background with what I’ve learned actually living the van life to create simple guides and tools for your build.

Dave standing beside his white camper van

Featured & documented

Featured by AutoEvolution

AutoEvolution took a closer look at our DIY camper build.

Read the feature

Free, practical starting points

Guides

Practical guides based on systems I’ve built, tested, and had to live with.

Free guide

Electrical System

Start with the questions that shape a useful, safe power system.

Free guide

Open Electrical System

Free guide

Water System

Plan water storage and use around the way you actually travel.

Free guide

Open Water System

Free guide

Cooling Setup

Think through cooling before heat and sleep become a problem.

Free guide

Open Cooling Setup

Free guide

Van Surfboard Rack

An adaptable external surfboard rack setup that works with many vans and roof-rack systems.

Free guide

Open Van Surfboard Rack

Free guide

DIY Van Kitchen

Plan the cabinets, sink, fridge, cooking, plumbing and storage—with the things we'd repeat and the small layout mistakes we'd fix after living with ours for more than a year.

Free guide

Open DIY Van Kitchen

Free guide

DIY Van Bed

How we fit a full-size permanent bed sideways, built a lightweight platform and kept it dry—and what happened after more than a year on the road.

Free guide

Open DIY Van Bed

Gear from our build

Gear from our actual van build

Electrical, water, cooling, kitchen and build gear we use—organized by system so you can find what you need.

Browse all van build gear

Some links are affiliate links. I may earn a commission at no extra cost to you.

Start with a better plan

Your planning toolbox

Tools I wish I had when I started building my van.

First tool

Electrical System Calculator

Tell me what you want to power and I’ll help you estimate the battery capacity, solar, and inverter your van may need.

  • Battery
  • Solar
  • Inverter

Helps estimate

  • Battery capacity
  • Solar size
  • Inverter size
Calculate your system

Water planning tool

Water Tank Calculator

Estimate how much fresh and grey water storage your camper actually needs based on your travel style and water use.

  • Fresh water
  • Grey water
  • Water weight

Helps estimate

  • Fresh tank size
  • Grey tank size
  • Water weight
Size your tanks
Dave and a companion with their dog at the open side door of their camper van

Stay in the loop

Want the next thing I build?

I’ll send you new guides, tools, and useful lessons from the road when there’s actually something worth sharing.

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