Keder cladding
Steel Frame

Keder Cladding

The cladding is a layered laminate plastic that has been specifically developed to combine light transparency with exceptional heat insulation – perfect for healthy plant growth. It is UV stabilised. 


Keder cladding stabilises summer daytime temperatures as well as retaining heat longer overnight than many other structures, whilst insulating properties assist with reducing condensation. The unique bubble design causes a considerable scattering of light up to 83%, 30% of which is healthy infrared light, diffusing through more than 100 air burls (bubbles) per square foot. The diffused light scatters evenly so as to avoid and eliminate the common difficulties of both shading and burning areas within the greenhouse, which ensures the promotion of healthy plant growth.

The result of this being optimum growing conditions for your crops with the bonus of a material that needs very little maintenance and is long lasting.

We offer a 10 year UV stabilisation guarantee.

Steel Frame

The frame is made from high tensile British steel and is fully galvanised inside and out. This means no corrosion or degradation in the framework.

The smallholder range also comes with galvanised gutters as standard.


The same structural steel is used for some of our accessories/options:

  • Crop rails: These are fitted to the frame and sit between two ribs of the greenhouse. They can either be made to fit the entire length of either side or just a 2m section to fit any area.
  • Side vents: Manual side vents are fitted as standard, but optional automated side vents are available with an automatic control unit.
  • Through door or disabled access: An option should you wish to have through access with a door each end.
6m dome, netted vents, double side staging.


All timber used is the construction is sustainably sourced and is pressure treated and dipped for maximum longevity. The same can be said of our timber option:

  • Staging: With a slatted wooden top and a base which fits over the steel frame, our staging is incredibly strong and each 2m length can withstand up to 18 stone in weight. The smallholder range has an option for upper and lower staging.
smallholder inside Staging Upper and lower sections by Keder greenhouse

Please note, smallholder range greenhouses are only available fully installed by our team of professionals. This is included in the cost.

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