Both roof jack vent caps are ideal for ventilating bathroom fans and range hoods alike.
Gravity ventilator for sloped roof.
Our ul certified aura vents pop vents round back vents and keepa vents are tested to withstand wind pressure speeds up to 200 mph.
28 m roof is preferable to using 2 vents each with a 72 sq.
All roof vents aura gravity ventilators.
Jack vent cap is made for pitched or steep sloped roofs while the keepa roof jack vent cap is designed for flat or low sloped roofs.
Gravity intake and relief ventilators for use in non powered applications.
All roof jacks are made of rust free aluminum and come with a 2 inch tail pipe.
4 vents each with 36 sq.
Strong weathertight hoods on these gravity exhaust and supply ventilators feature interlocking arched galvanized steel panels and include a preassembled bird screen.
76 mm vent be located at each corner of the roof and a minimum of one vent in the middle of the roof.
Venting efficiency is directly proportional to the number of vents employed e g.
Use hooded gravity roof vents with either nonpowered ventilation or in conjunction with powered exhaust supply or reversible fans.
54 cm2 of free venting area.
26 cm on a 300 sq ft.
The gravity intake and relief ventilators are non powered do not have a fan and work on pressure differential between the inside and outside of the building.