The origins of roofing go back to the time when humans chose that, unlike their primate cousins, they didn't like to be at the mercy of the weather and required shelter overhead. The first roofing systems were probably natural, as early human beings sought out caverns for shelter.
The First Roofs
The roof rests on the structure of your house or shelter and must be leak-proof. The first ceiling coverings were made from natural materials like earth, which was often planted with turf to make a tough sod. In Medieval Europe, they were made from flat pieces of stone like slate that were tightly covered with wood shingles. Later on, roofing systems were made of tiles, and of thatch, bundles of reeds or yard. Thatch is still used for roofing product throughout the world. Thatch, however was deserted by European inhabitants in America, due to the fact that the weather condition was so violent that thatch was subject to being blown away or damaged in methods that allowed it to leak. Split wood boards were substituted, however they also proved no match for the weather, and were quickly changed by shingles.
Other Roof Materials
Since antiquity some roofs have actually been made of metal in the form of sheets of lead or copper, and in the 19th century zinc covered sheet iron and aluminum were used. The sheets in metal roofing systems are joined by joints to defend against leaks. Other ones are made from tar and asphalt, or sheets of paper or fabric imbued with tar. These roofs, if well built, are nearly water resistant and are particularly great for the flat Find more information roofed homes that can be seen in the Pueblo Revival design. They're not only water proof however fire resistant. They can also be made of glass and fiberglas. Asbestos was an excellent roofing material, however has actually shown so dangerous to health that it's been discontinued as a roofing product in the West.
Kinds of Roofs
There are a few various types of roofs. Gabled roofs have sloping planes that are supported by triangles at either end that are called gables. Hipped roofings have 4 sloping surfaces. Other roofings are flat, arched or domed , though the last two are seen largely on public structures. All of these types have subtypes as well. Lots of roofing systems, at least in America, are supported by wood frames made from heavy rafters, lighter rafters and purlins , or horizontal pieces of lumber that support the heavier rafters. Later on designers learned to lighten frames without using heavy rafters, though these lighter frames need the assistance provided by joists and trusses .
New roofs can be made of photovoltaic panels which not only safeguard your house however create electrical energy and heat air and water for the home. Solar panels can also be fitted into existing roofing systems.
The roof rests on the framework of the home or shelter and need to be watertight. Later on, roofings were made of tiles, and of thatch, packages of reeds or turf. Considering that antiquity some roofing systems have been made of metal in the form of sheets of lead or copper, and in the 19th century zinc layered sheet iron and aluminum were utilized. These roofing systems, if well constructed, are nearly water resistant and are specifically excellent for the flat roofed houses that can be seen in the Pueblo Revival style. Many roofings, at least in America, are supported by wood frames made of heavy rafters, lighter rafters and purlins , or horizontal pieces of timber that support the heavier rafters.