Breather Vents For Flat Roofs

This product is not suitable for use with soil and vent systems.

Breather vents for flat roofs.

For felt roofs the performance of the breather vent will be improved by the use of a proprietary partial bonded base layer or a vented felt. Klober breather vents can be installed in both cold and warm flat roofs if needed and their design enables them to ventilate between the layers. Having both will enable the cavity to breathe with cross ventilation. Another common flat roof vent is the mushroom vent.

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. Roof vents need to be built tall for flat roofs because flat roofs drain water poorly and slowly compared to steep sloped roofs. Such vents usually consist of vertical pipes or stacks open to the outside air shielded from the rain by a cover and penetrating the roofing membrane to provide a path for moisture to reach the outside. The ubbink oft 2f is a 160mm diameter breather vent capped stack for use in built up felt roofs.

The breather vent allows for this moisture to escape while eliminating any moisture from entering. Both provide a better flow of vapour laden air to the breather vents. Relief of trapped moisture in all types of roof systems. It also has an integral plastic flange and removable cap for ease of use.

Since february 1997 active ventilation products avp has been a supplier of roof vents roof jacks and whole house fans for fema federal emergency management agency housing hud united states department of housing and urban development housing and for those in the modular commercial and residential markets. Set your store to see local availability add to cart. Nfa mill aluminum square top static roof vent carton of 10 model r50a 10. Flat roof ventilation should be accomplished when you have equal amounts of air exhaust with air intake.

3 mushroom roof vent. Active ventilation 12 in. Dia aluminum keepa static vent for flat roofs in white model kv 12 wt 66 34 66 34. New master flow 50 in.

It has been common practice in recent years to install breather vents in an attempt to remove moisture from wet insulation. They work with multi layer and three layer roofing systems helping to reduce the build up of moisture.