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The 5 Vital Components of a High-Performance Roofing System

It’s quite rare for homeowners to know about the intricacies of their roofs even though it plays such an important function in their home. If you stay in a house for a long enough time, you might come across a lot of roof repair and even roof replacement tasks. Most roofing projects are big and complex that require a significant investment of time and money.


If you have little or no knowledge about the roofing system over your head, this handy guide can help you make the most of your roofing investment. The inside knowledge may help you better appreciate the innovative technology that powers a high-performance roofing system. A typical roofing system will have the following components:

1. Roofing Deck – It is the foundation of your entire roofing system. It is over this wooden deck that other roofing components are placed. Made from composite material or plywood, the deck must be built in a way to support the weight of other components and that also includes snow and heavy tree branches.

2. Drip Edge & Flashing – A drip edge is installed to guide water away from the roof to the ground, by diverting it to the edge of the roof. A Drip edge is an essential part of a roofing system because it ensures that there is no water accumulation on the roof.

Another similar component is the flashing that is installed on the wall edge or chimneys. Made of steel, copper, or Aluminum, flashing protects the most leak-prone areas of a roof.

The four common types of Flashings are – step flashing, drip flashing, cap flashing and valley flashing. A combination of all of these may be used on your roofing system for enhanced protection against weather elements.

3, Shingles -They form the most visible part of your roofing system. Shingles protect your roof from harsh environmental conditions including strong winds, storms, and the Sun’s UV rays. Roofing materials also impact the aesthetic appeal of your home. There are several types of shingles available on the market including asphalt, ceramic, and slate, among others.

4. Underlayment – It is a waterproof and water-resistant material applied on top of the roof deck. It prevents moisture from seeping through your roofing system. Underlayment can also be fire-rated to make it fire-resistant. Some commonly used underlayment materials are:

  • Asphalt-Saturated Felt
  • Rubberized asphalt underlayment
  • Synthetic underlayment

Note that the underlayment is not a substitute for shingles, and even though they are made of waterproof material, they do not entirely stop the penetration of water in absence of high-quality shingles.

5. Ventilation – A properly working roof ventilation system allows for efficient air circulation on the underside of your roof deck by utilizing thermal and passive forces. Proper ventilation is essential to keep your attic cool, dry, and comfortable. An optimally vented attic can minimize temperature fluctuations in your home which can help you reduce your energy bills. Simply put, good ventilation makes your home more livable. That may be the reason why ventilation is often called the ‘lungs of the roof’.

Get in Touch With the Leading Roofing Experts

Looking for a roof replacement? Get in touch with the most trusted experts in the area. We can provide you with the highest-quality roofing materials along with our flawless installation services – all backed by industry-leading warranties. Give James Russell Roofing a call today and schedule a FREE consultation in Millington, and Memphis, TN.