Roof Cowls

£50.02£231.53 (Excl. VAT)

Galvanised mild steel roof cowl

  • Full range of extractor fan roof vents 100mm – 150mm diameters & 160mm – 630mm diameters.
  • Hand made vent cowls.
  • Prevent rain ingress when air is extract through a roof.
  • Design incorporates a top hat to prevent rain entering the duct
  • Fitted with mesh to stop wildlife entering into the duct termination point.

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  • Order yours before 2.00pm for next day delivery
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Roof Cowls for cirlcular metal duct.

A roof cowl is an ideal fitting to use whe you are venting an extractor fan through the roof.

  • Male fitting with swage (slips directly into spiral duct). Fix using recommended methods.
  • A roof vent cowl discharges air in a vertical position.
  • Used in applications where a duct termination is required at roof level.
  • Fitted with mesh to stop wildlife entering into the duct termination point.
  • Design incorporates a top hat to prevent rain entering the duct.
  • Circular end has a male connection to fit directly into circular spiral ducting (secure using recommended fixing methods).
  • Please select from the drop-down menus for standard sizes and corresponding prices.
  • For custom sized cowls please contact us.

When should I use a vent at roof level?

Basically when you are venting an extractor fan through a roof a cowl for venting should be used as it will stop water ingress. Our metal cowls also have a wildlife mesh to prevent animal ingress. The top hat on the cowl is specifically designed to stop rainfall entering to duct system.

Do I need to use a flashing when expelling air through a roof?

It is advisable use a flashing to create a water tight seal where the duct comes through the tiles.

 

 

Additional information

Diameter

100mm, 125mm, 150mm, 160mm, 180mm, 200mm, 224mm, 250mm, 280mm, 300mm, 315mm, 355mm, 400mm, 450mm, 500mm, 600mm, 630mm

Spiral - Diameter

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Spiral - Part Type

Spiral - Termination Type