Construction workers do a number of tasks on building projects, including the roofs. The fully trained man who installs them is called a journeyman. Employees who work for a Chicago roofing contractor will be trained, experienced and competent at performing the job.
In other countries, they are known by different names. In Australia, for example, the man who does this work is referred to as a roof carpenter. The materials used are referred to as cladding there. In the United States they are called shingles.
The function of a well-constructed roof is to protect a building and its occupants from the rain in summer and, in cold climates, snow in winter. Installing a roof takes quite a bit of time. It would be impractical if it did not last. It must retain its weatherproofing quality for a good many years.
A roof has two parts, one visible from the outside and one hidden. The supporting beams are made of a rigid material such as wood beams, cast iron or steel beams. Steel girders are used on commercial buildings. Concrete beams have metal rods that are placed in them before the concrete dries. This makes them stronger.
Shingles made of wood, composition or copper are used for the outer layer. The material must insulate the roof as well as waterproof it. Insulation is required and can be provided by concrete tiles. Ventilation is especially important in cold climates where it will keep ice dams from forming on the eaves. In warm climates this need not be a concern.
In winter climates flat roofs have been known to collapse under heavy snowfalls. Often the proprietor will shovel the roof to avoid that. In large companies, there will be one or more employees sent to do the job. A flat roof is not practical in cold, snowy climates. A Chicago roofing contractor would advise any customer of that fact when putting up a new building.
When it is time to find a good Chicago roofing contractor, click here. For info on commercial and residential services from Champion Roofing Company, visit us online today at http://www.championroofing.com.