Portals Plus #74004 Large Aluminum Two-Way Breather Vent. 11 in. high with 11.5 in. round base. 4 Vents/Case. Price/Case.
- Shipping leadtime: 1-3 business days.
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 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.
Install at a spacing of one per 1500 square feet. The Aluminum Vent is made of 0.060 inch spun aluminum with a base flange diameter of 11.5 inch and a height of 11inch. The stand pipe has a 6.5 inch base opening and a 4.5 inch counter flashing rain cap that locks and is vandal proof type.
similar product terms: breather vent, two way, portals plus vent, portals plus, large aluminum breather vent, flashing
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