Convex Wind Over Ridge Vent Drives Water Into Attic

A improper installation or b some roof feature which is directing the wind and rain into that part of the vent.

Convex wind over ridge vent drives water into attic.

Here s leonard from aldine writing to us. They re all over the last. They range in style from 6 inch round stainless steel vent covers that are placed in the soffit between each rafter to continuous vents that run the entire length of the soffit. 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.

They work best when paired with the soffit ridge vent system as part of a balanced system. N most roofing manufacturers now make ridge vents that have passed wind driven water tests. The building codes and building science for. As well homeowner s may need to check for proper installation of their ridge vent.

Ridge vents a ridge vent runs the entire length of the roof peak blending into the roofline for a more attractive home. Vent roofs with steeples towers or cupolas can be found in different buildings from barns to cathedrals. They have the advantage of having a small profile so they obstruct wind much less than most other roof vents. Ridge vent fasteners should always be fastened into the rafters usually every 16 to 24 inches.

The idea of roof vents existed for hundreds of years with natural vents employed in chinese buildings during the tang dynasty natural ventilation ducts in the buddhist monks caves and wind catchers incorporated in arabian architecture. He says he wants to know tom is it true that ridge vents allow rain to be blown into your attic. For example the ventsure ridge vent leaked more than 2 gallons of water the roll vent ridge vent leaked more than 3 1 3 and the ridgemaster ridge vent leaked more than 3 1 2 gallons. It is fairly common to find ridge vents dislodged or blown off during a hurricane figure 8.

Ridge vents are little vented hats. These vents are installed in the soffit the enclosed portion under the roof overhang and permit air to flow up under the roof and into the attic. The external baffle deflects wind over the vent preventing rain infiltration into the attic while other ridge vents allowed in 2 4 gallons of water. Most professionals recommend screwing the ridge vent to the roof.

Even a partially dislodged ridge vent can begin to act like a scoop that collects wind driven rain and directs it into the attic. Roofing nails are usually too short and will not hold well during a strong wind storm. The rigid plastic vents generally work well so the problem may be. It is mounted over a hole cut in the roof near the ridge and has a louvered donut or dome shaped top mounted on a cylinder.