Alton Greenhouse Ventilation
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Clean, fresh air is as important to plants as regular watering. But there’s more to ventilation than simply opening the door – a current of air must circulate throughout the greenhouse, removing warm air and replacing it with fresh, milder air, especially at ground level where plants are vulnerable to mould.
The unique ventilation system on all Alton Greenhouses is proven to produce healthier plants and higher yields. Ground level Alton Ventaccess openings are fitted as standard on alternate bays and when these are combined with the roof vents and the optional mid-level louvre vents, fresh air is able to circulate throughout every corner of the greenhouse.

Click here to download our ventilation diagram in pdf format, alternatively you can click the image for a full version.
Alton Ventaccess
Exclusive to Alton, these manually-opened ground level vents are included as standard on all Amateur and Traditional models.
Louvre Vents
These mid-level vents are available as an optional extra on all models. They can be fitted with manual or automatic openers.
Roof Vents
Fitted as standard with manual openers in alternate bays on all Amateur and Traditional models. Automatic openers are available as an option. The Octagonal range has automatic roof vent openers as standard.
Double Doors
Available as an option on the larger Amateur model, offering additional ventilation and providing a large, step-free opening, ideal for garden machinery, wheelbarrow and wheelchair access.
Extension Modules
All Amateur and Traditional Greenhouses can be extended in length in either direction using the pre-treated extension modules. Simply remove the end panel, bolt the extension modules to your greenhouse and replace the end panel. |
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