Polydress - Model LP-Keder - Greenhouse Films
From Agricultural Films, Nets & Construction Films
Thanks to its distinctive insulation properties (thermal conductivity value of 3.3 W/sq. m.K), Polydress LP-Keder offers a high level of energy efficiency. Its construction principle (air bubbles, keder, profile) prevents any leaks or thermal bridges, so that up to 95% of the heat radiation can be retained. This allows you to save money.
Products Details
Polydress® LP-Keder guarantees the uniform illumination of the entire horticultural area. At the same time, the air cushion bubbles (1,000 bubbles per sq. m.) ensure a diffuse illumination inside. This prevents the formation of shade and burning glass effects.
Another plus point of the film is its high resilience. Unlike some other films, Polydress® LP-Keder can withstand the standardized drop weight test without any consequences. Due to its high quality, Polydress® LP-Keder can bear high surface loads by sectioning off the roof surface.
Polydress® LP-Keder represents the highest degree of security for a greenhouse cover. Experience has shown that the horticultural area is well-protected, even in the event of hail, snow or high winds. Even “Lothar”, the storm of the century in 1999, had no adverse effects on the film.
RKW guarantees the five-year UV stability of Polydress® LP-Keder at 100 Kly/y. Even under the most severe climatic conditions, no changes in color or clouding will occur, and the film will not weaken in any way.
Polydress® LP-Keder can be easily cut with a knife or scissors. The low weight of the strips of keder allows for simple installation and simple replacement of old or defective sections.
Polydress® LP-Keder is a polyethylene film that can be completely recycled in an environmentally-friendly manner or thermally reused in secure fashion.
Tecnical Data
- Total thickness 8.5mm (± 1mm) / 0.34” (± 0.04')
- Roll width 1.97m & 1.985m / 77.56' and 78.15'
- Roll length 100m / 328 ft
- Weight per square foot approx. 410g/m² (± 10 %) approx. 1.31 oz/ft2 (± 10 %)
- Roll weight approx. 81kg / 178.5 lbs
- UV-stabilization/ durability 1.8∙106 BTU/ft2 (20920 MJ/m2, equivalent to 5 years in central Europe at an average annual solar radiation of 4184 MJ/m2 or 100 kly/year)
- Insulation/R-Value
- (ASTM C177-10) 1.7 (ft2∙°F∙h)/BTU
- Heat conductivity 0.04 BTU/(ft∙h∙°F)
- Transparency
- (ASTM E424-71) approx. 83 % (light)
- approx. 30 % (infrared)
- Additional features Anti-fog/anti-condensation additive
Application
The air bubble greenhouse film Polydress® LP-Keder is a lightweight, tear-resistant material that you can cut easily with a knife and scissors.
It simplifies your greenhouse construction and reduces the building time, allowing an installation in record time. Uniform illumination and a favorable microclimate promote plant growth.
The air bubble greenhouse film Polydress®LP-Keder
The air bubble greenhouse film is very easy to assemble due to the special features of the keder section and keder channel:
- Unwind Polydress® LP-Keder from the film roll.
- Feed the greenhouse film in strips into the unique greenhouse truss profiles.
- Pull on the pull rope until the desired end point is attained.
- Finally, simply cut the foil with a knife or scissors.
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