From the 1790s, wood shingle and clay tiles were used for roofing, but the wood rotted, and the clay tiles were heavy. In 1829, the British invention, corrugated iron, was patented. It became popular in Australia from the 1830s and was sometimes laid directly on top of the shingles. Corrugated iron was relatively cheap, durable, light, quick to install, and … Continue reading Roofs