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How Roof Vents Prevents Condensation

September 6, 2022
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Roof vents are also called attic vents; these vents ensure there's a good quantum of tailwind and ventilation in your Home. The overall purpose of roof vents is to keep cool in the summer and dry during the colder months. Encouraging natural tailwinds and circulation makes your home comfier by supplying a way for hot, damp, or stale air to leave the house. Attic ventilation is important in both hot and cold climates.

Unventilated or inadequately ventilated houses don’t have a getaway passage for the heat that builds up. This buildup of heat can ruin your shingles from the inside out. An evenly vented roof will allow the hot air to escape keeping your roof and attic cooler. Continued ridge vents are more effective because they're installed at the peak of a roof’s ridge, allowing for entrapped tepid air to escape from the attic. It also works more because it allows external moving creating a vacuum when the wind blows over the top of the roof. This helps produce the right air balance in your home, which plays an important part in keeping your home comfortable.

How condensation forms

Condensation forms when warm, wettish air collides with cold exteriors. Eventually, the cold exterior can’t hold the redundant water and so condensation forms on the surface.

We frequently see this passing on windows and other glass surfaces that act as a hedge between inside spaces and the out-of-door air and world.

For illustration, imagine a cold winter morning and you’re starting your car. The cold air outside of your car cools down your windshield, so when you start the car (and turn on the heat) you’re creating an environment where the windshield is much cooler than the air inside your auto.

The warm air from inside your auto heats the windshield until the exterior of the windshield starts to warm up. The cold air outside the auto meets the warm windshield and condensation forms. To get relieve of the “fog” you need to turn on the cold air to lower the windshield’s temperature and neutralize the difference between the outside air temperature and inside windshield temperatures.

Now let's look at an example of dangerous condensation. Imagine you’re taking a shower and the hot, wettish air comes into contact with the colder restroom walls. That clash causes condensation drips on your walls (something you’ve presumably endured firsthand).

Wet restroom walls encourage mildew and mold growth which can, in turn, invoke respiratory problems and other ails. Industrial roofing condensation brings about similar issues. While mold growth is a real problem with commercial roofs, redundant moisture can also beget structural damage. That’s why we need to learn how to avert condensation as a building owner or homeowner.

Condensation & Your Roof

Condensation forms because your new roof stays colder than the air around your structure, particularly at night when the temperature drops (and your roof is cool) but the inside of the structure is being heated.

The warm air in your structure rises to meet the colder roof and the excess moisture condenses on the underpart of the roof surface, generally on the underpart where the water driblets are out of sight and out of mind.

That condensation can lead to corrosion, and at best, you’ll end up with a roof leak. At worst, your roof system is endangered, and there’s no reason to risk disaster and roof replacement when there are impeccably respectable ways to help condensation.

When you install roof vents to combat the threat of condensation, the regulated roof temperature also helps constrain the temperature throughout the property. This can mean less energy consumption and thus lower energy bills.

Some old houses will have plodded along for years without any authentic ventilation in their loft spaces but if you’re re-roofing it makes sense to consult your professional roofer about this. This will avert problems in the future. Occasionally it’s possible to have changes made to your home which impact the ventilation indirectly. For instance, upgrading from double glazing to triadic glazing will produce further humidity and warmth in the home, meaning that the current vents might not be suitable to manage. Situations like this can arise from adding further insulation anywhere in the home, fitting new glazing, having a baby or a permanent new occupant in the home and rising dampness.

Spotting visible signs of condensation on the inside of your roof is an indicator that the roof isn't duly ventilated. You may see driblets of water (occasionally known as ‘roof sweating’) or damp patches. You might also notice a musty smell or mold growing on old clothes or boxes stored in the attic.

In an inadequately ventilated or unventilated roof, warm air can get trapped. Warm air is fluently generated during a normal day of living or working in a structure simple activity including cooking, raining and drying clothes produce redundant humidity in the air. When this air has nowhere to go, it causes condensation. This has become even more usual since people have been insulating their homes better (using insulation, windows etc.) without considering the correct ventilation for the age and type of the property.

Conclusion

in conclusion, condensation can reduce the life expectancy of your roof materials which is why roof vents are necessary. In the case of loft insulation, condensation can indeed cause damage (loft roll, for instance, can become ineffective if it gets too damp). In the short term, this can have minimal effect on your day-to-day life but in the long term, you’ll develop damp troubles which could amount to rotting timber in the roof and wetness leaking through the ceiling.


Contact us now at 553 Prospect Avenue Brooklyn NY 11215 (646)-838-0441 https://www.nyroofing.com/ for enquiries and to get premium roofing services.

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