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Basic Components That Comprise the Roofing System

To be able to maintain one’s home in the best condition, a homeowner should take time to know and learn about the basic structures so that when the time comes for a major repair or for an additional improvement to be done, there won’t be much of a problem in discussing thoroughly these projects with the contractor.

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. There are three important parts in the roofing system: 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. Roofing underlayment comes in three main types and each type is designed to highly protect the roofing structure from all kinds of weather conditions and they are: the conventional asphalt felt paper or also called tar paper, which is actually made up of a high percentage of asphalt or bitumen, polyester and cellulose; the synthetic type is basically still of asphalt but with a mixture of fibreglass to provide more resistance from tear and make the underlayment stable; and the rubberized asphalt underlayment that consists of a greater percent of asphalt and rubber polymer, designed with a special back that acts as a 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. There are different kinds of roof flashing materials to choose from, but the most common is the galvanized sheet metal, while aluminium and copper comes in a close second choice. The common method used for installing roof flashing is through soldering and flashing is employed in many areas, such as step flashing around the sides of the roof, chimney flashing, and saddle flashing around the top.

The last components in the roofing system that covers the underlayment are the roof shingles or roof tiles, which is made up of sturdy materials, like concrete, metal, or a good kind of wood, asphalt, clay, rubber, slate, because they are usually directly exposed to all kinds of inclement weather conditions. 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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