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22 Lessons Learned: Services

The Important Parts of Residential Roofing System

A homeowner must always have a good idea about every aspect of his house, at least having a better understanding about the basics, as the knowledge gained can be helpful during discussions with contractors when it comes to major repairs or additional improvements in the home.

A knowledgeable homeowner on the basic parts of a home will see to it that the right kind of home materials should be considered for his home to be in good condition, such as for example when it comes to the roofing system, having an idea about the basics will certainly allow him to choose the right roof materials for his home. The most important components of a roof are the following: underlayment, flashing, and shingles or tiles.

Before roof tiles or shingles are used to cover the roof, an underlayment is first installed, which is a waterproof material that is directly applied over the roof structure to serve as a protective layer from severe weather condition. There are three types of underlayment: the asphalt-saturated felt or commonly referred to as felt paper or tar paper, which is made up of cellulose, polyester, bitumen or asphalt; synthetic underlayment, which is basically saturated in asphalt but with the addition of a fibreglass component to give an effect of tear resistance and stability to the underlayment material; and the rubberized asphalt underlayment, which consists of asphalt and rubber polymers and is designed with a special backing which provides the waterproof seal between the underlayment and the roof deck.

In the roof structure, there are certain areas in it that can be susceptible to water leaks and this is the reason why roof flashing is introduced as a sealer between the roof joints to prevent water leaking through the roof. The galvanized sheet metal is known to be the most preferred roof flashing material, while the aluminium and copper can also serve well as a flashing material sealer. There are many ways of installing roof flashing according to the areas on the roof deck, such as step flashing around the sides of the roof, chimney flashing, and saddle flashing around the top, but the measure used in installing roof flashing is by soldering.

Shingles or tiles are the outermost part of the roofing system which covers the underlayment and are the ones that are subject to the different kinds of weather condition, that is why their materials range from concrete, metal, or a good kind of wood, asphalt, clay, rubber, slate. Roof shingles or tiles come in a variety of choices, depending of the cost, weight, durability, color and style, but their design is just basically made up of flat or curved tiles that interlock or overlap with each other.

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