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Last modified: 2022-11-22 | Approximate reading time 5 mins
While thermal insulation is a top priority for most homeowners, proper roof ventilation is also critical to keeping your roofing system in tip-top shape. A roof vent cap is key to achieving this goal.
In this article, we'll delve into the essential information one must know concerning these vent caps, including the importance of their function, the different models available, features, and more. If you want to know which cap is best suited to your needs, keep perusing this article so you don't miss anything.
Roof vent caps are easy to install and provide optimum air circulation. As a result, your roof is always kept dry during the colder winter months and cool during hot summer days.
A vent cap is perfect to release exhaust air from kitchen range hoods, bathroom fans, and clothes dryers. The damper mechanism opens to allow exhaust air to flow out and then closes automatically. This airtight barrier will also help you reduce your energy bills.
The damper usually has a deflector combined with a unique design. These two elements prevent it from flapping and also funnels rainfall sideways. This mechanism also prevents insects and rodents from gaining access to your attic, unlike some roof vents.
As such, if you want to keep clean air in and moisture out, reduce your energy consumption, and have a long-lasting roof, we highly suggest installing a roof vent cap.
The roof vent cap you choose to install will have a significant impact on the overall ventilation and efficiency of your roofing system. To help you narrow down which model will best suit your needs, we thought it would be a good idea to highlight some of the most popular vent caps:
The VMAX-CT-6 vent cap is considered by roofing professionals in Quebec as one of the best air exhaust solutions you can possibly install on your roof. It can be mounted on bathroom fans, dryers, kitchen range hoods, air exchangers, etc.
Its unique design prevents the cap from flapping and any air backflow; the air discharged is directed upwards to prevent odours from permeating the roof’s surface and to provide a better air distribution within the environment.
Like the above-mentioned roof vent cap, this model's also favoured by roofing professionals.It also offers the same advantages.
In addition, the Vmax-CT-10 roof exhaust cap is distinguished by these features:
This roof exhaust vent model is ideal to pull air from bathroom fans and dryers. It can be mounted on a sloped, shingled rooftop. Due to its deflector and exterior grill, it effectively reduces backdrafts, and prevents infiltrations, birds’ nests, and anything else that could be detrimental to its function (rodents, insects, etc.).
Its basic features and advantages are listed below:
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Source: Henry & Co. - Unsplash
Like the CT-10 roof exhaust vent cap, this one, the CT-4, is made of galvanized steel and allows for good air circulation, protecting your roof from strong gusts of wind, rodents, UV rays, corrosion, and much more. It can be installed on bathroom fans, dryers, air exchangers, and any other exit.
This cap was developed to provide, given its size, better manoeuvring when installing the ducts, especially in restricted spaces. As such, its height also allows it to easily resist adverse weather conditions and snow build-up, and spares it from being entirely covered. Also, its unique concept allows for the exact net of airflow to enter and exit your roof’s system without restrictions, thus eliminating backflow pressure. Here are this cap's characteristics:
With this model of vent cap, you can combine multiple mechanical exhaust units within the same connection, which limits the number of holes in your roofing. Much like the VMAX-CT-AD-12 vent cap, this model allows for an exact net of airflow to enter and exit, which prevents backflow pressure. Also, it was designed to reduce noise levels, and its characteristics are very much the same as the previously-mentioned models.
Source: Jason Shivers - Pixabay
The price of a roof exhaust vent cap varies based on several factors, most notably the cap itself, based on its manufacturing material, type of finish, and its dimensions. Expect to pay anywhere from $50 to $150 per unit.
Cover photo source: Blake Wheeler - Unsplash
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