Tips for how to safeguard the roof's vents
Let's face it, your roof's ventilation system is likely not something you think about often. It's not likely to break, at least not until it does.
It's an integral part of the daily life of your home. Having the right quantity of airflow in your attic could have a positive effect on the longevity of your roof, the comfort, and well-being of your family members, your cost for future home repairs as well as the amount you spend on heating and cooling. It's a lengthy list of benefits for something that's usually just an afterthought!
In conclusion, let's focus our attention on ventilation, how it functions how it works, what it does, and how to best care for your ventilation system.
How Attic Ventilation Functions
A good ventilation system in an attic that isn't finished typically has intake vents down low along with the soffits, and exhaust vents higher up the peak of the roof ridge. This ensures continuous airflow through the space. The cooler outdoor air gets drawn in through the vents on the soffit, while the humid, warm air that reaches the top (hot air rises, cold waterfalls) exits through the vents on the roof ridge. This results in continuous circulation, which is important for many reasons.
Why Proper Roof Ventilation Is Important
Proper ventilation in your attic will help in dispersing excess heat and moisture, which can otherwise cause havoc to your home. In cold or hot climates humidity and heat can cause problems. The areas that have warm summers and cold winters as do most Canadian homeowners, could suffer from both.
If it's scorching hot outside, the sun's beating down on the roof can increase the temperature in the attic. When exposed to extreme heat, it can cause damage to the roofing sheathing, causing it to distort the shingles and eventually cause them to age prematurely. The attic floor must also be considered. If it's not properly constructed and evenly distributed the heat could get into the living areas and make it more costly and difficult to stay comfortable. You will see an increase in your electricity bills due to the fact that your AC is forced to work twice as hard.
The roof deck's subsiding is heated by the warm air of the living area beneath when temperatures fall below freezing in winter. The roof deck begins to warm, and the slushy roofing's bottom layer starts to melt. This causes water to run across the roof. The runoff becomes ice when it reaches the colder outer edges. If this occurs repeatedly the ice dam will form on the eaves, preventing the escape of further runoff. At some point, the water will have nowhere to go and it resurfaces under the shingles.
Let's start with the H-word, humidity. Humidity that comes from outside or in your living space can enter the attic. It will condense into the form of a liquid upon contact with cooler surfaces. Over time, that water can lead to the degrading of the roof structure and structural elements, as well as ruin the attic insulation. In an attic that is warm, the moisture will cause the growth of the common mold and mildew. This results in more strain on the house's cooling system. Your wallet suffers...again.
Indications of poor ventilation
A poor attic ventilation system can lead to issues that manifest themselves in different ways:
Unknown increase in your home's costs for cooling and heating, which could be the result of attic insulation being damp and starting to lose its effectiveness.
A noticeable buildup of ice on your roof's edge during winter seasons.
The deformation of decking damaged by moisture beneath can cause the roofline to curve or twist and a rippled roof shingle.
The corrosion and rust can affect metal materials in the attic, such as nails, electrical boxes, or light fixtures.
Dampness, water stains or frost can be found on the roof sheathing's attic side.
A rise in the frequency of allergy symptoms or respiratory ailments within your family, typically attributed to the spread of mold growth within your attic.
What Should I Do
The attic must be assessed and certified commercial roofing Mississauga contractor should you spot any signs of trouble. They'll be able to advise you on what options you have to improve the airflow and ensure that it's working.
If you have any questions or concerns regarding your current ventilation setup, No Payne Roofing can assist you. Our certified roofing contractors can examine your ventilation needs and get the project done swiftly and efficiently, so your home gets the air circulation that it needs. Contact us today to discuss your needs and learn more about how we can assist you.
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Cadillac Roofing
Etobicoke, ON M9V 2P7, Toronto, Canada
(647) 877-3144