5 Reasons Why Poor Ventilation Can Rot Your Roof

5 Reasons Why Poor Ventilation Can Rot Your Roof

The importance of a quality roofing ventilation system isn’t always apparent. As such, when an issue occurs with a roof’s ventilation system, homeowners may put off repairs, assuming they’re not urgent.

However, a roof’s ventilation system is in place for a reason, and ensuring that the vents are working properly helps extend the roof’s life.

Let’s explore the ways that poor ventilation can lead to roof rot.

#1- Heat Build-up

Because attics are not climate-controlled, adequate ventilation is needed to keep the area from becoming too warm. Poor roofing ventilation can cause attic spaces to become increasingly hot, up to 150 degrees in some locations. This extreme heat can dry out, weaken, and damage roofing material if left unchecked.

#2- Mold Production

In addition to building up heat, poor ventilation can make attic spaces more humid than they should be. Warmth and humidity create an ideal environment for mold production, and with it comes new problems. Not only can mold be dangerous to human health, but it can also encourage roof rot.

#3- Condensation

When the temperature inside an attic contrasts significantly with the temperature outside, it may increase condensation development. A moist attic encourages mold growth, which can cause roofing material to warp and can eventually lead to further moisture-related damage to other parts of the home (like the walls and foundation).

#4- Shingle Deterioration

Even on a mild day, shingles are exposed to significant heat. A decent ventilation system helps the shingles regulate some of that daytime temperature. The absence of roofing vents can put additional strain on shingles. Poor roofing ventilation can make shingles expand, contract, and even break under heat stress.

#5- Structural Damage and Sagging

Heat build-up, mold, and condensation will damage roofing materials over time. The damages often involve warping the wood, which weakens its structural integrity. When roofing beams and other pieces of material sustain damage, they may bow out or sag in certain areas.

These shape changes can allow snow or rainwater to nestle in certain areas of the roof rather than rolling off. As a result, the roof sags and may eventually leak or fall apart.

A hot, stuffy attic isn’t just inconvenient and unpleasant; it’s a serious problem when it comes to the integrity of your roof. If you notice excessive heat, mold, moisture, or sagging around your home’s roof, it’s best to reach out to a roofing professional who can further assess the damage.

Roof Evolution is here to help with your roof ventilation needs. If you reside in or around the Englewood, CO area, don’t hesitate to schedule a free consultation.

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