• Tires and other trash – Believe it or not, you can use tires, cans, old appliance parts, and more to build your interior walls as well as your roof.
  • Straw bales – Straw bales are a fantastic option for insulating your home, whether you’re planning a standard wood-framed house or a steel-framed one. When stacked above one another, they’re even strong enough to be load-bearing.
  • Shipping containers – You won’t believe how many shipping containers are being used everyday around the world. There are plenty of empty ones that just sit around. And guess what? They are a fantastic building material as they are fireproof, waterproof, durable and insulated!