Installing a New Roof: Key Components of a Roof Replacement

You’ll know when it’s time to replace the roof in your home. It can be pretty easy to spot the signs that your roof is beyond repair. You’ll see the water leaks coming through your attic, or maybe the deck of your roof has begun to sag drastically. Either way, it should be that difficult to conclude that you need a new roof, and it’s time to hire some contractors.

However, many people don’t understand what goes into installing a new roof. This makes them uneducated consumers and prone to hiring a roofing company that isn’t qualified for the job. In this article, we will examine the components of a roof replacement so you can feel confident when it’s time to hire a roof company in San Diego.

Key Components of a Roof Replacement

The Deck

The deck is the base layer of the roof and serves as the foundation for the rest of the roofing system. The deck must be strong and sturdy enough to support the weight of the roofing materials and any additional weight from snow, ice, and wind. Typically if the deck of the roof needs repair, it’s time to replace the roof.


The underlayment is installed over the deck and under the roofing materials. It serves as a moisture barrier and helps to prevent water from penetrating the roof. This is crucial; because water damage from roof leaks can be quite costly, the underlayment is another buffer for your home.


Flashing is a material that is installed around roof penetrations, such as chimneys, vents, and skylights. It is also used to seal joints where different roof surfaces meet, such as where the roof meets the walls or at roof valleys. These areas are prone to water penetration, leading to damage and mold in your house. Flashing helps seal these weak points from the elements and is a major point of concern for a roof company San Diego.


Proper ventilation is crucial to the longevity and performance of the roof. Ventilation allows air to circulate through the attic space, which helps to regulate the temperature and moisture levels. When replacing your roof, the roof company in San Diego will preplan the ventilation points for your new roof.

Roof Restoration Brisbane company emphasizes that proper ventilation is essential for the longevity and performance of the roof. Additionally, a drip edge is necessary to direct water away from the roof and into the gutters.

Drip Edge

A drip edge is a metal strip installed along the roof’s edge, where the roof meets the gutter. It helps to direct water away from the roof and into the gutters, preventing water from seeping under the roofing materials and causing damage to the decking and underlayment. When hiring a roof company in San Diego, make sure they focus on this area of the installation process. It will keep your home safe from water damage.

Hire a Reputable Company When Replacing Your Roof

Now that you know the ins and out of roof replacement, you should have a better idea of what to look for in a roof company in San Diego. Make sure to pour over their site and ask questions before hiring.