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Greenhouse DROP 20 (Fully Installed)Greenhouse DROP 20 (Fully Installed)Greenhouse DROP 20 (Fully Installed)
Greenhouse DROP 20 (Fully Installed)Greenhouse DROP 20 (Fully Installed)Greenhouse DROP 20 (Fully Installed)

Greenhouse DROP 20 (Fully Installed)


The DROP 20 is from our apex shaped line of Polycarbonate tunnels and comes at a Standard 3 Metres wide. It is assembled using our standard Polycarbonate sheeting providing maximum sun-allowance to help plant/vegetable growth while also protecting against harsh weather conditions.

All of our fully fitted options are installed by our own in-house professional fitters.

Using the Greenhouse builder below, please select the desired Length of your Greenhouse. The option to add in our fully-fitted raised beds and our automatic ventilation windows are also available below. All extra additions are automatically added to the final price of the tunnel.

Build your
Raised Beds

Do you want to add raised beds for your ?
Select which raised beds you want to include:
Raised Beds
Left Side
Select raised bed height
Right Side
Select raised bed height
Select raised bed height
Your Package:
Polytunnel €888.88



The DROP 20 comes at a standard width of 3 Metres Wide.

The length of the Tunnel starts at a minimum of 2 Metres Long and can be increased in multiples of 2 Metre sections to the desired length.

The overall Height of the Tunnel is 2.4 Metres when fitted on our pressure treated timber base.

Timber Base Frame:

Our timber base frame is 150 x 75mm, pressure-treated for outdoor durability.


The frame is made of a galvanized square tube 20 x 20, the distance between archs is 600mm. The frame is secured using 3 ridge bars connecting each section together and can be additionally used for hanging flower baskets.

Standard set of a greenhouse has:

2 doors and 2 ventilating windows at opposite ends of the greenhouse. The door width is 800mm and the heigth is 1720mm. The Ventilation window on the door is 720mm wide and 420mm high and can be secured in an open or close position.


Our standard twin-wall polycarbonate sheet is 6 metres long, 2.1 metres wide and 4mm thick. It has a layer of UV protection on the top. Our polycarbonate sheeting comes with a standard 15-year manufacteurer's warrenty against UV breakdown. 

We also have a 6mm polycarbonate sheeting option available on special request. Please contact us for details.

Polycarbonate fastening:

The polycarbonate roof sheets are secured using galvanised strapping on the outside of the sheets over the individual arches. The strapping is secured with galvanised Tec-screws with a rubber washer underlay to protect the sheeting from pressure damage.

Automatic Ventilation Window

An Automatic ventilation window, if not chosen with your install, can be added at a later date by yourself using the instructional video below.