One Way Vent For Flat Roof

The portals plus vents have a one way valve designed in the unit to prevent moisture from re entering the roof system. Portals plus insulation breathers and vents are used to prevent moisture vapor from becoming trapped in the roof system equalizing air pressure reducing the risks of ballooning blow off deteriorating insulation and separating deck seams. Trapped air pressure and moisture can cause a reduction in insulation effectiveness and roof membrane performance leading to roof deck damage.

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Olyvent Omg Roofing Products

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Flashco carries a wide range of vent types and sizes for every application.

One way vent for flat roof.

How to install one way roof vent. The rubber boot conforms to the exact size and shape of the pipe to keep water from leaking in. Trapped air pressure and moisture can cause a reduction in thermal protection of the insulation and roof membrane system leading to roof deck damage. The aluminum base holds the vent in place with built in flashing.

Available as either one way vents or two way breathers the omg olyvent offers many unique features for better performance and design. The mrv 600 roof vent is engineered to prolong the life of the roof system by reducing both the moisture within the roof system and the trapped air pressure within the building. Made for single ply roofing systems flashco vent flashings are a time saver by allowing the installer to quickly vent penetrations on the roof. Residential homes with flat roof vents make use of the boot vent.

This is a basic venting system that simply acts as a base and holder for piping that is coming through the roof. The one way vent allows trapped air pressure to escape while the two way breather combined with the one way vent will help reduce moisture.

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