The Whirlybird is a wind driven ventilator that removes hot stale air from buildings, causing a low pressure that allows fresh air back in via doors and windows. The first solution for cooling down your environment. Turbine ventilators keep indoor environments cooler and healthier. They use no electricity and turn wind and natural convection.


General features:

  • Can be fitted to almost any roof up to a 32° pitch
  • Requires no maintenance
  • Are completely silent
  • Are waterproof
  • Keep dust and pollutants from coming into the building
  • Are SABS approved
  • Can be used in confined spaces such as containers
  • Can be used to enhance the effectiveness of chimney flues.


  • Cooling and ventilation – the primary benefit of turbine ventilators is that they efficiently remove hot, stale and polluted air from buildings
  • Cost effective as they require no running costs or maintenance
  • In winter, ventilation removes moisture-laden air which causes structural damage and mould to grow
  • Reducing the building's heat load will assist in reducing air conditioning bills in summer.
  • The steady flow of air through ventilation clears out airborne contaminants and replenishes oxygen levels in the air, creating a fresh, clean environment.







  • Available in two sizes: either 300mm or 350mm diameter throat
  • The 300mm is available in aluminium or galvanized steel (GT-12)
  • The 350mm is available in aluminium The Whirlybird is backed by a five-year warranty. The GT-12 has a one-year warranty
  • Available in three sizes: 250mm, 450mm & 610mm diameter throat
  • All sizes available in either galvanises steel, aluminium, zinc aluminium or chromadek
  • The Cyclovent has been tested at wind speeds exceeding 180 km/hour with no adverse affects.
  • Backed by a 5-year warranty

LP Vent



  • Made of light-weight aluminium alloy that has a fluorocarbon protective coating that is rust and corrosion proof
  • Available in two sizes: either 500mm or 600mm diameter throat
  • Available in a grey metal colour
  • Backed by a three-year warranty
  • Made from exceptionally strong UV-resistant ABS polymer which can withstand harsh sun without deterioration or colour fading and unlike steel vents rust will never be a problem
  • Can withstand winds of up to 180km/h
  • Available in a variety of colours to match your roof, including a transparent version
  • 250mm throat diameter
  • Backed by a five-year warranty covering defective materials and manufacture


  • Available in either high quality, light-weight aluminium or rugged galvanized mild steel
  • Available in two sizes: either 510mm or 610mm diameter throat
  • Backed by a five-year warranty against defective materials & manufacture


Prices at as 1 March 2020

Code Size Description Extraction Rate Area Unit Price (Excl VAT)
SU01 250mm Supavent (polycarbonate) 1229m3/hr +/- 35m2 R 1,550.00
CY01 250mm Cyclovent 250mm galvanised 1350m3/hr +/- 45m2 R 1,057.00
CY02 250mm Cyclovent 250mm aluminium 1350m3/hr +/- 45m2 R 1,250.00
CY03 250mm Cyclovent 250mm zinc aluminium 1350m3/hr +/- 45m2 R 1,141.00
CY04 250mm Cyclovent 250mm chromadek 1350m3/hr +/- 45m2 R 1,481.00
WH01 300mm Whirlybird (galvanized) 924m3/hr +/- 30m2 R 938.00
WH02 300mm Whirlybird (aluminium) 924m3/hr +/- 30m2 R 1,123.00
WH03 350mm Whirlybird (aluminium) 1155m3/hr +/- 35m2 R 1,177.00
CY05 450mm Cyclovent 450mm galvanised 5100m3/hr +/- 100m2 R 2,181.00
CY06 450mm Cyclovent 450mm aluminium 5100m3/hr +/- 100m2 R 2,621.00
CY07 450mm Cyclovent 450mm zinc aluminium 5100m3/hr +/- 100m2 R 2,361.00
CY08 450mm Cyclovent 450mm chromadek 5100m3/hr +/- 100m2 R 2,558.00
LP01 500mm LP Vent (aluminium alloy) 4695m3/hr +/- 90m2 R 1,863.00
TW01 500mm Twister (galvanized) 4695m3/hr +/- 90m2 R 2,222.00
TW02 500mm Twister (aluminium) 4695m3/hr +/- 90m2 R 2,976.00
TW03 500mm Twister (zinc aluminium) 4695m3/hr +/- 90m2 R 2,976.00
LP02 600mm LP Vent (aluminum alloy) 6150m3/hr +/- 120m2 R 2,028.00
TW04 610mm Twister (galvanized) 6150m3/hr +/- 120m2 R 2,599.00
TW05 610mm Twister (aluminium) 6150m3/hr +/- 120m2 R 3,384.00
TW06 610mm Twister (zinc-aluminium) 6150m3/hr +/- 120m2 R 3,384.00
CY09 610mm Cyclovent 610mm galvanised 7690m3/hr +/- 150m2 R 2,534.00
CY10 610mm Cyclovent 610mm aluminium 7690m3/hr +/- 150m2 R 3,212.00
CY11 610mm Cyclovent 610mm zinc aluminium 7690m3/hr +/- 150m2 R 2,923.00
CY12 610mm Cyclovent 610mm chromadek 7690m3/hr +/- 150m2 R 2,870.00
FL01 FLASH Flashing sheet ea - R 409.00
These prices are for supply only, ex-Johannesburg warehouse and excludes VAT.
Discount is negotiable on quantities All prices are valid for 60-days and strictly COD.
Please confirm thereafter.