outside the box
timber) is made from gluing layers of solid timber together and will become more cost-effective in the next few years,” says Bill. “It’s possible to erect an entire house in a matter of days using this product.”
Straw bales, often rendered with cement or earth, offer excellent, cost-effective insulation.
Mud bricks are made by mixing earth and water, which dries in moulds in the open air. They’re cheap and energy efficient, with good thermal and acoustic qualities.