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. The Portals Plus Vents have a one way valve designed in the unit to prevent moisture from re-entering the roof system. The Portals Plus Breathers allow for both exhaust and convective movement of air between breathers. Both the Breather and Vent are available in heavy gauge spun aluminum or black high-density polyethylene with a locking, vandal proof cap that shields against entry of wind blown rain or snow.


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Portals Plus Large Aluminum 2-Way Breather
Allow for both exhaust and convective movement of air between breathers
Price: $38.55
Availability: In Stock
Portals Plus

    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. The Portals Plus Vents have a one way valve designed in the unit to prevent moisture from re-entering the roof system. The Portals Plus Breathers allow for both exhaust and convective movement of air between breathers. Both the Breather and Vent are...

    OlyVent Aluminum 1-Way Vent
    Prevents mositure from re-entering the roof system
    Price: $17.75
    Availability: In Stock
    OMG Item #: OMG-OV1WAY -

      OMG OlyVents are engineered to prolong the life of the roof system by reducing moisture within the roof system and trapped air pressure within the building. 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. Trapped air pressure and moisture can cause a reduction in thermal protection of the insulation and roof membrane system leading to roof deck damage. Available as either one-way vents or two-way...

      OlyVent Aluminum 2-Way Breather
      Allow for both exhaust and convective movement of air between breathers
      Price: $16.75
      Availability: In Stock
      OMG Item #: OMG-OV2WAY -

        OMG OlyVents are engineered to prolong the life of the roof system by reducing moisture within the roof system and trapped air pressure within the building. 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. Trapped air pressure and moisture can cause a reduction in thermal protection of the insulation and roof membrane system leading to roof deck damage. Available as either one-way vents or two-way...

        Portals Plus 71028 Aluminum 1-Way Vent
        Prevents mositure from re-entering the roof system
        Price: $20.95
        Availability: In Stock
        Portals Plus Item #: POR-71028 -

          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. The Portals Plus Vents have a one way valve designed in the unit to prevent moisture from re-entering the roof system. The Portals Plus Breathers allow for both exhaust and convective movement of air between breathers. Both the Breather and Vent are...

          Portals Plus 71008 Aluminum 2-Way Breather
          Allow for both exhaust and convective movement of air between breathers
          Price: $16.95
          Availability: In Stock
          Portals Plus Item #: POR-71008 -

            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. The Portals Plus Vents have a one way valve designed in the unit to prevent moisture from re-entering the roof system. The Portals Plus Breathers allow for both exhaust and convective movement of air between breathers. Both the Breather and Vent are...

            Portals Plus 72018 1-Way Black Plastic Vent
            Prevents mositure from re-entering the roof system
            Price: $14.95
            Availability: In Stock
            Portals Plus Item #: POR-72018 -

              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. The Portals Plus Vents have a one way valve designed in the unit to prevent moisture from re-entering the roof system. The Portals Plus Breathers allow for both exhaust and convective movement of air between breathers. Both the Breather and Vent are...

              Portals Plus 72008 2-Way Black Plastic Breather
              Allow for both exhaust and convective movement of air between breathers
              Price: $12.95
              Availability: In Stock
              Portals Plus Item #: POR-72008 -

                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. The Portals Plus Vents have a one way valve designed in the unit to prevent moisture from re-entering the roof system. The Portals Plus Breathers allow for both exhaust and convective movement of air between breathers. Both the Breather and Vent are...

                Portals Plus Large Aluminum 1-Way Vent
                Prevents moisture from re-entering the roof system
                Price: $50.45
                Availability: In Stock
                Portals Plus

                  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. The Portals Plus Vents have a one way valve designed in the unit to prevent moisture from re-entering the roof system. The Portals Plus Breathers allow for both exhaust and convective movement of air between breathers. Both the Breather and Vent are...

                  Best Sellers

                  OlyVent Aluminum 1-Way Vent
                  Prevents mositure from re-entering the roof system
                  Price: $17.75

                  OMG OlyVents are engineered to prolong the life of the roof system by reducing moisture within the roof system and trapped air pressure within the building. 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. Trapped air pressure and moisture can cause a reduction in thermal protection of the insulation and roof membrane system leading to roof deck damage. Available as either one-way vents or two-way...

                  OlyVent Aluminum 2-Way Breather
                  Allow for both exhaust and convective movement of air between breathers
                  Price: $16.75

                  OMG OlyVents are engineered to prolong the life of the roof system by reducing moisture within the roof system and trapped air pressure within the building. 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. Trapped air pressure and moisture can cause a reduction in thermal protection of the insulation and roof membrane system leading to roof deck damage. Available as either one-way vents or two-way...

                  Portals Plus 71028 Aluminum 1-Way Vent
                  Prevents mositure from re-entering the roof system
                  Price: $20.95

                  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. The Portals Plus Vents have a one way valve designed in the unit to prevent moisture from re-entering the roof system. The Portals Plus Breathers allow for both exhaust and convective movement of air between breathers. Both the Breather and Vent are...

                  Portals Plus 72008 2-Way Black Plastic Breather
                  Allow for both exhaust and convective movement of air between breathers
                  Price: $12.95

                  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. The Portals Plus Vents have a one way valve designed in the unit to prevent moisture from re-entering the roof system. The Portals Plus Breathers allow for both exhaust and convective movement of air between breathers. Both the Breather and Vent are...