Proper Roof Ventilation: Why It Should Matter to You

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roof repair portland

A Homeowner’s Guide to Proper Roof Ventilation and its Benefits

Summer is coming to Portland, and it looks like many Portlanders will continue working from home due to the COVID-19 pandemic. Spending more time at home gives homeowners a bit more time to evaluate their property. Now’s the time to ensure that your house and property are in good shape, and that includes your roof! While often overlooked, your roof’s ventilation is critical to the longevity and health of your roof. To avoid unnecessary roof repair, homeowners must understand proper roof ventilation and its benefits.

How Roof Ventilation Works

Your roof’s ventilation works by circulating air and removing moisture in the attic space. Proper roof ventilation will help remove overheated air and moisture from the roof system. This process helps reduce the impact of changing temperatures and humidity levels both inside and outside of the home.

A roof ventilation system consists of both intake vents and exhaust vents placed in various locations in the roofing system (depending on the roof’s design) to ensure adequate air circulation in the attic space.

Types of Roof Vents

proper roof ventilation portland

Depending on the roof’s design, homeowners may need more than one type of vent to properly ventilate their roof and attic space.

Depending on your roof’s design, there are many different types of both intake and exhaust vents.

Box Vents

Box vents are also known as low profile vents, louvers, flat vents, or turtle vents. These roof vents don’t have moving parts, and roofing contractors install them over a hole cut through the roof. Box vents use natural convection to allow rising hot air and moisture escape from the attic space. Box vents come in a variety of different colors and materials. They are the most efficient when an experienced roofer installs them as close to the roof ridge as possible to allow the maximum amount of heat and moisture to escape. Box vents aren’t necessarily effective on their own, so most roofs typically require multiple box vents to ensure proper roof ventilation.

PAVs (Power Attic Vents)

Power vents include motors to drive hot air and moisture out of the attic space. Some models are solar-powered or include thermostats to help reduce energy use. When homeowners install power vents into their roofing system, they should ensure that the unit is inspected at least once every six months. Due to most power vents’ quiet operation, the unit can be dead without a homeowner’s knowledge, which can cause damage to their roofing system.

Ridge Vents

Ridge vents are another static ventilation system for the roof. Ridge vents most often run the entire length of the roof’s ridge and blend into the roofline. Ridge vents allow for a more even distribution of temperature and moisture, keeping some parts of the roof from aging quicker than others.

Off Ridge Vents

Off ridge vents function similarly to box vents and ridge vents. Instead of a square shape, off ridge vents are rectangular to allow for more distribution of heat and moisture. However, a single off ridge vent has limited effectiveness, so multiple off ridge vents are often required for proper ventilation.

Soffit Vents

Soffit vents are often installed in eaves and soffits and provide a way for air to enter the roof’s ventilation system. When used along with continuous ridge vents, soffit vents are the most effective.

The Benefits of Proper Roof Ventilation

Adequate roof ventilation ensures the longevity of your roof. The following are all essential features of a properly ventilated roof system:

Low Moisture

We live in the Pacific Northwest, and we have high levels of humidity year-round. A properly ventilated roof ensures that damaging moisture is kept at low levels, which preserves the proper function and health of your roof.

Energy-Saving

A properly ventilated roof safes homeowners on utility bills, particularly related to heating and cooling costs. Not only that but using less energy is better for the environment as a whole. Save money and the planet by ensuring your roof is ventilated properly.

Protected Shingles

Moisture and heat wreak havoc on your roof’s shingles. An adequately ventilated roofing system protects the shingles by preventing premature aging and unnecessary roof repairs.

Risks of Inadequate Roof Ventilation

If your roof is inadequately ventilated, you may notice the following:

  • Mold.
  • High utility bills.
  • Rapidly aging roofing system.
  • Ice dams.
  • Ceiling stains.
  • Peeling paint.

To avoid these issues and to save money and time in the future, ensure that your roof is properly ventilated by calling the professional roofing contractors at Executive Roof Services in Portland.


How Can Executive Roof Services Help You?

If you’ve noticed any symptoms of an improperly ventilated roof in your home, it’s time to call us at Executive Roof Services. Customer service is our top priority, and we aim to treat all of our clients like our own family. With decades of experience in the roofing industry, the roofers at ERS can help with all of your commercial and residential roofing needs, including maintenance, repair, and replacement. Call us today to see what we can do for you!

In response to the COVID-19 pandemic, ERS is following all of the recommended guidelines put forth by the CDC and other government agencies. We can provide rough contactless roof proposals, in which the final number is dependent on an attic inspection. We are also providing opportunities for virtual meetings to review photos and answer questions concerning your roofing project. We have contactless proposal delivery, acceptance, and billing as well to help keep both our customers and employees safe and healthy. Call today to get started!

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