A Quick Overlook of Roofing – Your Cheatsheet

The Important Parts of Residential Roofing System

Owning a house requires a lot of responsibility to maintain it in good condition and part of that responsibility is having a better understanding about the basic structures in the house, so that gaining as much information may help you settle well in discussing major repairs or additional improvements in the house with the contractor.

When it comes to the roofing system, being able to get a full idea about the basic components will provide the homeowner that opportunity of choosing well 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. Most common roof underlayment are made up of any of these main types, but are basically composed of asphalt, these are: the felt paper asphalt underlayment, which is basically made up of asphalt, cellulose, and polyester; the synthetic underlayment which is a combination of the asphalt underlayment with fibreglass to make the material stable and resistant from the wear and tear; and the rubberized underlayment, which is still made up of asphalt and with combination of rubber polymer and with a special design that has a sticky, protective back membrane that functions as a waterproof sealant between the roof deck and the underlayment.

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. Most roof flashing materials are soldered into the areas where flashing is needed most and in these areas, different ways of flashing is introduced, 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. Since the main function of roof shingles is to prevent any water leaking through the roof structure, they are usually designed as either flat or curved and installed by interlocking or overlapping with each other and they also come in many forms according to cost, weight, durability, color and style.

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