How to Avert Pitfalls in Roof Ventilation
Added: (Tue Sep 12 2017)
Pressbox (Press Release) -
By hiring the right roofing contractor it's possible to meet the required amount of ventilation in a roof. However, even the most effective professional may fail to see through specific pitfalls that can later pose become a problem in the ventilating system's effective functioning. The following lines discuss some of these pitfalls which should make the roofing contractors conscious, which might adversely affect the very purpose of installing roof ventilation system.
Most of the contractors worry about the increasing heat brought on by the roof. This is because the room lying directly under the roof, known as 'attic', cannot be used if the temperature in this room adheres to a discomforting level. Nevertheless, one should not forget the winter time. As much as it's imperative to control the temperature in the summer months, so also it's essential to keep the loft arm during the winter time. In winter, there's a drop in the mercury level outside while the home occupants generate water vapor indoors, increasing moisture from the attic. The contractors should make sure a perfectly balanced roof ventilation which consists of exhaust and intake vents for assisting in eliminating moisture from the area and preventing substance damage.
The contractor needs an effective strategy to make the roof venting work in all types of weather and beat the heat in addition to moisture growth. Proper ventilation in the roof also defends the house against snow- caused ice dams. Additionally, the water vapor a household normally generates ( 2-4 gallons), leading due to actions like breathing, laundry, showering and cooking, is also eliminated by efficient roof venting.
The roofing contractors must also be sure that the roof venting system has an exhaust and intake vents blend in perfect balance. Mouldbuster are generally installed within the under-eave or the bottom edge of the roof or the soffit, while one installs the exhaust vents near or at the peak of the roof. Maintaining a proper balance in the functioning of these vents will lead to an effective and efficient roof ventilation system. Under ideal conditions, it is important that both exhaust and intake vent should have matching 'total net free area'. When it is not as matched then the perfect conditions for balanced functioning cannot be achieved.
In the event the roofing contractor is sure that balance cannot be achieved from the roof ventilation system, improving the intake port's operation over the exhaust converts the surplus into exhaust if the roof is on the 'leeward' side.
The Misconception of 'More':
It's a common misconception that if there is more than 1 exhaust port type, the efficiency of the roof ventilation system increases by many folds. The truth is that mixing or mixing various exhaust vent types like wind turbines, ridge vents, and gable-mount established power fans to get one roof can cause short-circuit inside the roof ventilation system. This, in turn, will cut the effectiveness of the ventilation and so, weather infiltration will influence the temperature of the attic.
In case of one intake and exhaust port, the moist air trapped in the attic will flush out through the exhaust but in the event of two exhaust vents, the 'secondary' exhaust interferes in the air flow. This leaves many areas in the loft insufficiently ventilated.
Thus, if the roofing contractor is aware of the above points, he can guarantee the effective operation of the roof venting system.