They are designed specifically to efficiently vent out air while keeping pests and rain out of the ducting.
Roof cowl vent.
It is suitable for connection to spiral duct soil pipe and flexible duct from 125 to 250mm diameter.
Each features a black steel roof cap with a built in back draft damper and bird screen.
See below for dimensions and method of mounting.
The alpha relief air vents have been designed for air intake and exhaust applications or control of pressure within buildings.
Corovent slate cowl vents are vents with small and large cowl options available riven to match natural slate or plain matching man made tiles.
Designed for 3 and 4 ductwork these roof cap vent kits help vent heat moisture and odors from bathrooms showers and recreation rooms.
Units are fitted with bird mesh as standard to eliminate the risk of debris and birds entering the building.
If the fan inlet is less than 2 3m high a suitable guard must be fitted.
Our range of roof cowl kits allow for extraction of air via the roof.
Cowl kits are available in a wide range of sizes from 100mm up to 200mm.
The unitex roof cowl system greatly simplifies the roof termination of mechanical ventilation systems.
Two nylon zip ties are included.
These cowls and roof fans are designed for either kerb or purlin box mounting on a flat or inclined roof.
They may be used in a ducted system where the fan is mounted remotely to the cowl.
They can be purchased individually or in the rangehood roof kits.
The mushroom cowl vent range comes in 100mm 125mm 150mm and 200mm diameter sizes.
They are all aluminium construction and are in a contemporary design.
Vhe roof cowl are made of galvanised sheet metal the inlet is protected with steel mesh.
Roof cowl vent vhe 19 49 the vhe roof cowl can be used for air intake and ejection in both industrial and residential buildings.
Consisting of an attractive epoxy finished cowl with a lead weather slate and a range of direct connection reducing fittings.
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.
New improved windshield wiper cowl vent grille panel hood for 99 04 ford mustang.