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Why Roof Intake Vents Matter For Your Roof

May 7th, 2019 BY First American Roofing

One of the most important services a roofer can provide is to tailor the needs of your home with the materials and design layout of your roof.

You may think that all roofs are created equal, but this isn’t exactly the case. While hopefully, each roof in your neighborhood is high in quality, many will vary in terms of the overall layout.

For example, today we’ll be focusing on why some homes that need the addition of roof intake vents as well as exhaust vents — as was the case in the home featured in the video.

Today, we’ll discuss why some homes require this extra source of ventilation and what issues could arise if the proper intake ventilation isn’t installed. First, let’s break down the difference between exhaust and intake vents.

Roof Intake Vents vs. Exhaust Vents

Exhaust vents are used to ensure airflow from the attic to the outside of the home. When they are properly installed, the air in the attic and ventilation spaces will exit the home and move to the exterior of the house.

Exhaust vents are crucial to ensuring that your home has clean air, as it pulls odors, fumes, and moisture from the air and pushes it outside.

Roof Intake Vents: Installation Process
Where your roof’s temperature will change without installing roof intake vents.

Air intake vents are used to allow outside air to enter into attics and ventilation spaces. Intake vents should be located along a roof assembly’s lowest eave at or near soffits or eaves.

Intake vents are best used with exhaust vents that are located at or near a roof assembly’s peak. This configuration of ventilation air intake along low points and exhaust at high points takes advantage of natural convection.

What Happens if You Don’t Have Roof Intake Vents Installed?

With the home, we are talking about today in this post, we investigated the attic and saw that the layout inside meant that an exhaust vent system wasn’t going to be enough.

In order to ensure the safety of the home, an intake vent was going to be needed.

Without an intake vent, this home would have run the risk of ice dams in the winter. This is because the temperature of the roof would have been warmer near the top of the roof and colder near the bottom. This is the primary reason for the formation of ice dams.

In addition, without an intake vent, the shingles will become way too hot and will, therefore, go through more wear and tear and will not last as long.

roof intake vents on roofSo, as you can see, there is a whole system within a roof that works together to ensure that the roof is stable.

To break it down, a roof that is not properly ventilated will trap heat right under the roof. While you may not think this is a huge problem because “keeping heat in your home is good, right?” Wrong. You want to keep heat in your home, but the last thing you want is to have it trapped at the top of your home. Roofs that are poorly insulated may have the opposite problem. They’ll have a hard time keeping the heat in, ultimately boosting your heating expense.

Ultimately, finding the balance isn’t that difficult if you know what you are doing. Catching this problem before winter comes can save you a lot of money, and a massive headache. Properly insulating your home and adding roof intake vents costs a fraction of what it would be to repair your home from ice dam damage.

First American Roofing and Siding — the Premier La Crosse Home Contractor

Here at First American, we like to say that your home is more than the reason you send a mortgage check each month.

It’s what puts a roof over your head. It’s a place where you and your family can be safe from the elements — as well as where you’ll create lifelong memories with them.

Because of this, it is essential that your home remains secure and that all the little details are exactly right to ensure the integrity and quality of the home.

First American knows this.

That’s why we are 100% committed to using the best products, the best warranties, and the best crew in the business to make sure that you have a home that is durable and can withstand the elements that the Midwest throws your way.

Whether it’s roofing or siding, windows, doors, skylights, roof snow/ice dam removal, or even cleaning the exterior surfaces of your home, First American Roofing is your partner in making your home more beautiful.

First American Roofing is proud to be among the 2% of contractors nationwide that have attained GAF Master Elite status. Not only can you rest assured that you will be working with trained, expert installers, but the Master Elite status also enables us to offer the finest warranties in the industry.

If you’re looking to renovate your roof or siding, then contact First American today. You’ll be glad you did.

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