A stone coated metal roof is a

roof A roof ( : roofs or rooves) is the top covering of a building, including all materials and constructions necessary to support it on the walls of the building or on uprights, providing protection against rain, snow, sunlight, extremes of te ...

made from steel or some other metal; the metal is then coated with stone chips and attached to the steel with an acrylic film. The goal is a more durable roof that still retains the aesthetic advantages of a more traditional roofing material

History

Stone coated metal roofing was refined during and after

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...

in the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...

, when the government requested materials that would protect corrugated steel roofs from the harsh climate. A coating of bitumen and subsequent covering by

sand Sand is a granular material composed of finely divided mineral particles. Sand has various compositions but is defined by its grain size. Sand grains are smaller than gravel and coarser than silt. Sand can also refer to a textural class o ...

, stone or other materials proved effective at protecting the metal roofs and serving as

camouflage Camouflage is the use of any combination of materials, coloration, or illumination for concealment, either by making animals or objects hard to see, or by disguising them as something else. Examples include the leopard's spotted coat, the b ...

against potential attack. In 1954, L.J. Fisher, an industrialist from

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...

, secured the rights to produce stone-coated metal roofing outside Great Britain. The company he founded, AHI Roofing, operates the largest metal roofing factory in the world, and has continued to make changes to the metal roofing product.Stone coated metal roofing manufacturing process was adapted by multiple companies, principle of which are Decra, Gerrard and ROOFKO Inc . with production facilities spanning from

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korean Peninsula and sharing a land border with North Korea. Its western border is formed by the Yellow Sea, while its eas ...

. When compared to asphalt shingles and concrete roofing products, which can weigh 350 to 1100 pounds per square, the stone coated metal roof, at only 150 pounds per square, effectively reduces the overhead weight on the house structure. This provides for a much safer building during an earthquake, fire or a hurricane.

Advantages of stone roofs

* Appearance: Stone Roofs have a beautiful appearance and therefore are well recommended by architects for attractive look and great designs. * Strength: Stone Roofs are strong, durable and can hold out much more than traditional roofs. * Water Resistance: They are water resistant and can hence withstand tough weather changes.

References

{{reflist Roofs