They let moisture and hot air exit the attic but they aren t nearly as effective as other types of roof vents and homes generally need to have several of these units for the best results.
Lowline roof vents.
These vents are static vents that are placed over holes in the roof close to the roof ridge.
Ventilation methods vary and are determined by type of property and roof type applications.
It alleviates moisture in the winter and heat in the summer to extend roof membrane life.
Low line roof vents the woodroffe low line roof vent has been designed to be used as an inexpensive and effective way to expel unwanted air from ensuites and bathrooms and also cooking odours from kitchen exhaust fans into the atmosphere and not into the roof space.
Envirotile lowline vent tile.
If in doubt please request assistance from our technical team.
The roof valve is a low profile static roof ventilator that allows nominal ventilation of hot or moist air from the roof space without the need of wind or power assistance.
Oatey retro master roof flashing 1 4 in to 4 in x 8 in epdm rubber vent and pipe flashing.
Unlike box vents which are square off ridge vents are usually much longer and thinner.
The keepa attic vent is used for ventilating attics and or plenum as a roof exhaust vent or as an air intake roof vent.
Ventilation must comply to bs 5250 2002.
Its low profile dome make it an attractive addition to any roof whether it is mounted near the ridge or on the lower edges of the roof.