What Is Soffit and Fascia?

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One of the most common questions we get from customers is “What is soffit and fascia?”

It’s important to understand what soffit and fascia are, how a drip edge works and what they are all designed to do.

Soffit and fascia are designed to protect your home from moisture and weather damage.

Let’s take a look at them a little more closely.


What is a Soffit?

aluminum soffit fascia

Your soffit protects the rafters from the weather elements. The soffit board is tucked away under the fascia board. That is usually what you see from street level.

The soffit should be ventilated to allow the flow of air into the roof area. This can be done with soffit vents over holes cut into the wood, or a continuous 3” cut into the soffit and covered with continuous hidden vent soffit.

Roof vents or continuous ridge vents in your attic create the air flow necessary to cool your attic and protect your roof. It’s important to talk to your professional to make sure you have a system that works in your home.


What is Fascia?

What is soffit and fascia?Fascia is the vertical finishing edge connected to the ends of the rafters, trusses or the area where the gutter is attached to the roof.

The primary role of fascia is to act as a layer between the edge of the roof and the outdoors and is meant to protect the wooden board against water damage that can occur.




Drip Edge

roof soffit fascia drip edgeDrip edge is installed at the very edge of the roof under the ice and water shield and starter shingles. The drip edge is designed to hang over the fascia, and to direct the water that comes off the roof into the gutters.

When installing wood fascia, the wood is directly underneath the drip edge so that water stays off the wood. When covering the wooden fascia with aluminum, tuck the aluminum under the drip edge to keep water from getting to the wood. In all cases, the gutter is then installed to sit up tight right underneath the drip edge.



It’s important to make sure that all of these components are installed correctly and working properly. Rotted wood, animals, and poor material installation can cause major problems in your roof area. When detected early, the problems are minor and can be corrected at a reasonable cost. Your professional contractor can inspect your soffit, fascia, and drip edge to let you know if repair or replacement is necessary. They can also let you know if your attic is being properly ventilated.


Without proper ventilation, your attic retains heat. The long-term effects of a hot attic can cause damage to your shingles and underlayment. Heat will cause your shingles to curl, and shorten their useful life. That is the reason the average asphalt shingled roof is replaced every 12 years, even though most shingles have come with 20 and 30-year warranties for over 20 years.

Exterior remodeling companies are all different. Some will just try to sell you soffit and fascia, or a roof. Others, like Horizon Exteriors, will educate you on how your system is supposed to work, and what must be done make sure that your new products are installed correctly and will give you maximum protection. You should ask questions so that you understand why certain things must be done. It is for the long term protection of your investment!


We’re here to help.

At Horizon Exteriors, we want to help. It is important to us that you, the customer, understand exactly what we are recommending and why. Save your questions for us! We are happy to help. Call  (844) 433-4348 or e-mail us info@klamconstruction.com to schedule a free consultation.


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