
How to Repair an Aluminum Roof Ridge Vent
- About Ridge Vents. Ridge vents provide an outlet for hot air to escape your home’s attic area. To ventilate your attic...
- Common Mistakes. A common mistake made during ridge vent installation is using incorrect fasteners. Common roofing nails...
- Repairing. Depending on the cause of the ridge vent leak, there are several options...
How much does it cost to replace a ridge vent?
Replacing Roof Ridge Vents. Replacement averages about $500. The project can run as little as $300 to replace a section or two, including the cost to install or replace shingles. On the other hand, complete replacement can be as much as $1,200 if you have a metal roof or if there is accompanying roof damage. Professionals will typically provide an inspection and quote that includes all labor, material, and disposal fees.
How to replace ridge vent shingles?
Ridge
- Materials: $2-$3/foot
- Labor: $45-$75/hour
- Total: $380-$550
How to install a ridge vent on a shingled roof?
Materials
- 8d nails
- Ridge vent
- 1 1/2 inch or 1 3/4-inch roofing nails
- Standard roof shingles
- Shingle caps (for the shingle-over vent)
- Polyurethane caulk
How to install ridge venting?
Install the Ridge Vent (Shingle-Over Style) Measure down and mark the manufacturer’s recommended distance from the ridge line along one side of the ridge, and snap the chalk line through the marks to create a reference line. Place the shingle-over ridge vent along the reference line and nail the ridge vent to the decking along that side, as ...

How do you fix a leaking ridge vent?
1:032:20Ridge Vent Leak Repair | Bristow, VA | Roofer911.com - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe entire length of the ridge vent then the new ridge vent is going to be pressed right into theMoreThe entire length of the ridge vent then the new ridge vent is going to be pressed right into the sealant. And then we're going to fasten it right into the rafters. And seal all the fasteners.
Why is my ridge vent leaking?
Leaky ridge vents are often the result of improper installation, but there are other factors surrounding their health and functionality, such as the wear on your shingles, the condition of the flashings and more.
Do ridge vents fail?
With proper installation and care, ridge vents should not leak. However, improper installation leads to leaky vents. In some cases, installers will use the wrong nails or shorter nails to secure the vents to the structure.
Why do ridge vents not leak?
1:277:54Ridge Vent Problems When Not To Use It - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf your roof is leaking near the ridge. It's not going to be because of the caps. It's not going toMoreIf your roof is leaking near the ridge. It's not going to be because of the caps. It's not going to be because of your ridge vent. It's probably going to be because of the way it's installed.
Can rain come in through ridge vents?
There are various entry points for moisture in your roof; rain can enter your roof through any of these. One potential entry point is the ridge vent. Ridge vents prevent moisture problems by letting warm air out, but wind-blown rain can enter if the vents are damaged.
Do ridge vents get clogged?
Ridge vents can easily become clogged as they are filled with dust, mold, mildew, or animals making nests near or in them. Most of the time, it will take several years for your ridge vents to become clogged, with most houses taking several years to get even some clogs.
Do ridge vents need to be cleaned?
Clean the vents You should clean soffit (eave) and other types of attic air intake vents at least every couple of years, if not annually. The best way to clean them is with blasts of compressed air to blow away dust, dirt and any loose insulation that may have fallen into the soffit area.
Which is better ridge vent or roof vent?
Roofing contractors consider ridge vents to be the most preferred option when ventilating the roof of any home. Ridge vents are less invasive than other vent types while remaining the most cost-effective and energy-efficient compared to other roof vent types.
What is the difference between ridge cap and ridge vent?
A small vent hole must be cut along the whole length of the roof ridge. Then, a metal or plastic ridge vent is installed over it. These vents are designed to allow prefabricated ridge caps to fit snugly over them. Ridge vents are designed to prevent water from getting into your home through the vent.
What does a ridge vent look like from the attic?
1:475:50Roofing Ventilation - Why Roof Ridge Vents Are Important! - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe most efficient and effective exhaust vent is a ridge vent. Only Ridge vents provide a constantMoreThe most efficient and effective exhaust vent is a ridge vent. Only Ridge vents provide a constant flow of air along the entire horizontal ridge of the roof.
Can ridge vents get water in?
Reply: causes of & cures for wind-blown leaks at ridge vents Indeed heavy wind and rain can cause water entry at a roof vent if the vent flashing designed to prevent that is missing, bent-down, or otherwise damaged or inadequate in height for your climate.
Can ridge vents get water in?
Reply: causes of & cures for wind-blown leaks at ridge vents Indeed heavy wind and rain can cause water entry at a roof vent if the vent flashing designed to prevent that is missing, bent-down, or otherwise damaged or inadequate in height for your climate.
How do you tell if your ridge vent is installed properly?
In general, to find out if your ridge vent is installed properly, walk along its entire length and pull the vent slightly upward every few meters. Inspect the vent for any loose seams or fasteners; have them repaired as soon as possible. Even a nail slightly out of place can cause problems later on.
How do I stop the rain from blowing in my attic vents?
Deflectors. Place a deflector over the opening of the vent to keep rain from blowing through the opening. Deflectors are available in many sizes, configurations and colors to match your existing vent cover. Select a vent cover made of stainless steel for outdoor use.
How to keep ridge vent from blowing away?
One of the ways to prevent your ridge vent from getting blown away by the wind is to use the most appropriate nails during the installation process. Consider the weather patterns in your region when choosing the size and type of the nails. If you live in a highly windy region, use long enough nails to secure your ridge vent properly.
How to prevent ridge vent leakage?
To prevent this ridge vent problem, ensure that your roofing technician has the right type and size of nails during the installation process. Also, your roofing technician should ensure that the ridge vents overlap correctly during the installation process. If they do not overlap properly, leakages will occur as well. 2.
What is the sealant on a roof vent?
The sealant seals all the spaces between the ridge vent pieces to ensure that neither moisture nor solid contaminants can seep through the ridge vent into your attic. The sealant should thoroughly cover all the sections of the ridge vent. However, it is common for your roofing technician to miss this crucial detail.
What happens when a ridge vent is not working?
When the ridge vent is not working correctly, the warm and moist air will accumulate in the attic. The accumulation of stale air in the attic will trigger the growth of molds and mildew.
Why do ridge vents detach from deck?
If the ridge vent is not properly secured, it will detach from the deck when strong winds blow over time. It is also possible for your contractor to fail to spread the ridge vents sufficiently when installing them. Your ridge vents are designed to overlap sufficiently to prevent leakages and other related problems.
What are the risks of ridge vents?
Leakages: Water from the rain may seep through your faulty ridge vent. Over time, the water will accumulate in the attic and cause rots.
Why does my ridge vent wear?
However, the continuous exposure to the effects of the elements causes wear and tear. Repeated heating and cooling because of the weather patterns exposes your ridge vent to deterioration.
What is a ridge vent?
A ridge vent is a very effective way of venting an attic, taking out that warm air in the summer and the moist air in the winter that affects the efficiency of your insulation. There are just a whole lot of ridge-vent types out there.
Do you need to replace a ridge vent?
TOM: Well, you don’t want to replace the ridge vent because it’s there for a reason. A ridge vent is a very effective way of venting an attic, taking out that warm air in the summer and the moist air in the winter that affects the efficiency of your insulation. There are just a whole lot of ridge-vent types out there.
Why Do I Need a Ridge Vent?
A ridge vent is an important part of a home's roofing system. Installed at the peak of a sloped roof, the ridge vent allows damp, warm air to escape from the attic. A properly installed ridge vent increases energy efficiency and prolongs the life of your roof.
Preparing for Ridge Vent Installation
For a ridge vent to work properly, it must have adequate intake of fresh, cool air. As the ridge vent expels hot, humid air, intake vents feed fresh, cool air into the attic. Equal flow of exhaust and intake should be provided. Example: 900-square-foot attic / 150 square feet = 6 square feet of net-free area.
Installing a Metal Ridge Vent
Follow the steps explained in Removing the Cap Shingles and Removing the Wood Sheathing.
What is a problem with ridge vents?
Another problem that you might encounter with your ridge vent is clogging. This will compromise the entire venting system that you have installed, and you will need to take immediate action. Clogging is a natural problem that appears in ridge vents as long as they are not cleaned and maintained properly.
Why is my ridge vent leaking?
One of the most frequent problems with ridge vents is leaking. Leaking can happen due to a poor installation but also due to intense weather conditions. For example, if the fasteners of your ridge vent are not secured well enough, a strong wind can remove the ridge cap, allowing leaks to happen in case of rain or snow. Unfortunately, many people realize there is a problem with a leaking ridge vent only when it is too late rather than preventing such a situation.
How to prevent wind from sucked air?
A solution to avoid such a problem is to install a ridge vent with an external baffle. This baffle will act as a shield against strong wind and allow the airstream to get over the ridge vent. As a result, the air lifted upwards will be sucked properly without any inconvenience caused by the wind. This effect is called the Bernoulli effect, and it will keep your venting system working properly regardless of the wind intensity or direction.
What happens if you don't add a baffle to your ridge vent?
If you choose not to add a baffle to your ridge vent, you take the risk of wind driving air inside your attic regardless of the structure of your ridge vent.
How does an attic fan affect the airflow?
An attic fan will block the ridge vent system with acts as an escape system for hot air, and affect the airflow circulation by simply sucking the air in and eliminating it back out without regulating the temperature in your attic. Such a fan can attract not just air through the ridge vent but also water and snow. If the moisture of this level gets in your attic, you might have to deal with mold and mildew growing on the walls.
When to check ridge vent fasteners?
Checking the ridge vent fasteners after every storm or intense wind will let you know if you have any reason to worry about potential leaks. Of course, you can do that yourself or hire a specialist, but it is important not to neglect this aspect.
Can soffit vents be used to match ridge vents?
You can avoid such a problem by installing soffit ventilation to match ridge vents. Since soffit vents allow fresh air to enter the attic, they prevent any negative pressure development, and this prevents the attic from sucking out the hot, air-conditioned air inside the home.
Why Do Homeowners Install Ridge Vents?
Homeowners who add on ridge vents do so for a number of reasons. It’s a great way to upgrade to a more energy-efficient home.
Why add ridge vents?
Homeowners who add on ridge vents do so for a number of reasons. It’s a great way to upgrade to a more energy-efficient home.
Why don't ridge vents work?
Ridge vents don’t work well because they don’t pull air through the house consistently and it affects the airflow. Pests and critters can easily enter your home through a ridge vent and ridge vents can also cause leaks.
How far should you see light through a ridge vent?
Indeed it is! If ridge vents are installed correctly, you should see light about a foot from the ridge’s end.
How much does it cost to install a roof ridge vent?
It’s essential to have a budget whenever doing a home improvement project. Roof ridge vent installation can cost around $500 on average. If you’re replacing the vents, expect that price to double.
What causes a ridge vent to block?
It can be something as simple as too much dust, mold, or even mildew. Things like a wasp nest can also block parts of a ridge vent.
What happens if you don't have a ridge vent?
If you don’t, a ridge vent will provide you with no ventilation. Another part of the ventilation issue is that you have to have air crossing over the vent for it to work.
