240mm roof mounted wind turbine ventilator (silver, green, terracotta, grey, charcoal, black, beige, ivory white)

Description

Buy a 240mm roof mounted wind turbine ventilator (commonly referred to as a whirlybird or whirly gig) today.  The 240mm roof mounted wind turbine ventilator circulates air in buildings, extracting hot air and moisture and replacing with new fresh air.  Provide excellent ventilation in roof spaces in houses and in bathrooms, kitchens, home office, wendy houses etc etc. Also really effective for barns, sheds, stables and chicken sheds etc, etc.  Enjoy a product fuelled by nature that only needs the slightest of breezes or heat in the building (convection) to start working (turning).

These roof whirly vents have 2 superior quality completely silent sealed lubricated bearings.  This is especially relevant as it ensures they never squeak.  Enjoy no monthly maintenance cost.  They do not require electricity.  The 240mm roof mounted wind turbine ventilator is manufactured from outstanding quality materials and will not rust or corrode, chip or dent.  You can expect a long life (at least 10 years in the sun).  Expect a durable product designed to be maintenance free.  Unlike the traditional metal version they are designed to have little or no scrap value and are therefore not a high theft risk. They measure 325mm across the vanes.

Fit our whirly vent on any type of roof normally at the highest point (hot air rises to the highest point).

This product is manufactured in our factory in KZN, South Africa using South African raw materials.

Manufactured from top quality virgin polypropylene with colour and UV stabiliser included in the plastic.

Standard colours Silver, Green, Terracotta, Grey, Black, Charcoal, Beige and Ivory White (other colours can be manufactured subject to minimum order quantity)

Advantages of the RoofWhirlys4Africa range

• Durability – The plastic used is heat stabilised.  Furthermore it has been UV stabilised for in excess of 10 years (they wont melt in the sun nor will UV affect them) – they don’t rust;
• Sturdier and lighter – They are lighter but sturdier than the metal equivalent which allows them to start up more quickly.  Slow start up can result in leaks;
• Beautiful – The quality is exceptional . Expect an aesthetically very pleasing product.  The colour is in the material so can’t and doesn’t peel off);
• Exceptionally free moving – The 2 x Sealed bearings make this unit exceptionally free moving – starts in a whisper of a breeze;
• Flexible – the plastic is slightly flexible and is unlikely to dent in most hail storms;
• Theft “proof” – the plastic does not have a scrap value so they are unlikely to be stolen – theft it is a real issue with anything metal;
• Chemical tolerant – this plastic is chemical resistant (acids, ammonia etc) unlike most metals; and
• Comprehensive 5 year guarantee

Specifications

• 325mm across vanes, 240mm throat
• Extracts about 1000 cubic metres of air per hour @ wind speed of 15kms /hour
• Can be adjusted for roof pitch from 0 – 45 degrees

Guideline

• Install one per 80 cubic metres of building for ideal air changes per hour (12)
• Install one per 160 cubic metres of building for minimum recommended air changes per hour (6)

Ideal for homes, containers, offices, sheds, clinics, staffrooms, workshops etc.