One Way Roof Vent

Designed to release or prevent the re entry of moisture laden air in new or existing lightweight fill decks and built up roofing systems.

One way roof vent.

Limited to one way flow to avoid moisture buildup within the roofing structure and material. The portals plus vents have a one way valve designed in the unit to prevent moisture from re entering the roof system. This has enabled us to work together to grow our business each year with marathon. Rodent repellents deterrents.

Marathon bv 1070 m 105 1 way roof vent black hdpe. Besides extraordinary service they provide quick delivery top quality products and competitive costs. Set making tools hardware. In black hdpe for bur and modified roofing.

Available as either one way vents or two way breathers the omg olyvent offers many unique features for better performance and design. Marathon bv 1070 m 105 1 way roof insulation vent. 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. Install 4 fasteners per vent evenly spaced.

Copper mesh stainless steel fill fabric. 5 1 4 id x 8 high with 10 1 2 od base flange. Nets poles and tongs. Remove roofing material down to vapor barrier or deck.

The fp 10 one way roof vent is a solar operated and moisture vapor venting unit. How to install one way roof vent. Apply a 3 course coating and fabric utilizing the pm pf200 polyester fabric and pm silicone coating. The fp 10 roof vent is manufactured from black polyethylene.

The portals plus breathers allow for both exhaustand convective movement of air between breathers. Internally the m weld one way m vent contains a neoprene valve that allows moisture vapor to escape out of the roof deck system without allowing moisture to enter through the valve. Rodent exclusion one way door products. Attach vent to the roof deck with the appropriate fastener.

Also available in two way vents. Gaf everguard vent manufactured out of reinforced 45 mil tpo membrane and galvanized steel for use in venting low slope mechanically attached roofs. Marathon is one of our top 5 suppliers out of our 200.