Most professionals recommend screwing the ridge vent to the roof.
Ridge vent leaks high wind.
You may have a ridge vent turbine vent powered air vent or free air vent.
The ridge vent sections should also overlap by about 1 inches.
But the ridge vent maintenance and running cost is a lot less than for turbines when.
However if you were only going to install 3 or 4 the turbines would be more affordable to you.
Ridge vents are vents placed over gaps of roof sheathing about 1 1 2 wide on each side of the roof peak that provide an outlet for hot air to exit the attic.
The wind which blows over your roof will help to draw the hot moist air out of your attic when roof ridge vents are installed correctly.
This happens because of the change in air pressure.
Ridge vents are little vented hats.
Roofing nails are usually too short and will not hold well during a strong wind storm.
As well homeowner s may need to check for proper installation of their ridge vent.
Some vents are also prone to leaking when winds blow from certain directions.
Shingles cover the area where the ridge vent is fastened down.
And on occasion a hard driving rain with whipping wind will cause roof vents to leak water.
Another problem that can lead to leaking roof ridge vents involves sealant.
When a shoddy or inexperienced contractor fails to overlap the pieces or doesn t extend the sections enough the vents will eventually leak.
But some roof air vents sit fairly flat to the roof with a mushroom style hood and unprotected sides.
If you were to install about 40 feet of roof ridge vent the area would span up to 10 turbines in this case 10 turbines would cost you substantially more to purchase and install.
Most air vent styles prevent direct intrusion of water.
Leaks typically occur at the exposed roofing nails used to nail down the ridge vent and worse leaks when wind blowing rain up roof overpowers the rather low about 1 high flange flashing along the lower edges of the ridge vent.
If your home has an older style conventional metal ridge vent wind blown rain leaks in high wind areas are a well known topic.
Poorly anchored off ridge vents can flip up and be come scoops that direct large amounts of wind driven rain into the attic figure 11.
If the fasteners are not secure a strong wind may pull up the ridge cap and let rain or snow get into the vent causing it to leak.
What are the cons.
The rigid plastic vents generally work well so the problem may be.
Ridge vent fasteners should always be fastened into the rafters usually every 16 to 24 inches.
