Keder offers the unique option of cladding with the Polydress LP-Keder polythene sheeting — a kind of bubble wrap plastic sandwich system, that is safer, lower-maintenance and more cost-effective than traditional glass, while it is also stronger and more durable than standard poly tunnel film.
It also reduces summer daytime temperatures as well as retaining heat overnight, while its insulating properties assist with reducing condensation, and is said to reduce heating costs by up to 50 per cent compared with similar uninsulated structures. It holds an impressive R value of 1.7.
As might be expected, with 1,000 bubbles per square metre the sheeting diffuses and scatters the incoming light, by up to 83 per cent, so as to avoid and eliminate burning or scorching of plants and avoiding the need for shading giving more even plant growth.
Keder uses pre-galvanised high-tensile structural steel, which is almost twice as strong when compared to standard steel tube. "Our steel tube is sourced from UK manufactures and every batch has full traceability, "In addition, all of the brackets are manufactured and plated in the UK specifically for our structures."
Being of modular construction, the structures can be expanded either widthways or lengthways as the need for growing space increases in addition this means that should any damage occur to the cladding, just the individual panel can be replaced.
"For a commercial grower, that’s a real advantage."Keder Greenhouses Ltd, specialise in manufacturing structures that are neither poly tunnels nor glasshouses, there are huge differences between Keder structures and traditional polytunnels, which Keder would like to be able to communicate to growers.
"For a commercial grower, that’s a real advantage."
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