Under cover

Check out our latest round-up of covering products in the marketplace.

SOLEXX TWIN-WALL HIGH-DENSITY POLYETHYLENE
The pitch: Developed to help reduce heating costs, it provides a durable, long-lasting cover and reduces plant loss due to leaf burn.

  • Twin-wall, high-density polyethylene, two thicknesses: 3.5mm (2.1R factor), 5mm (2.3R factor)
  • Available in 4- x 8-foot and 4- x 12-foot panels, and continuous rolls of 2-, 4- and 6-foot wide up to 900 feet long
  • Year-round growers can see a return on investment in two to four years in fuel savings
  • Durable Solexx prevents damage from high winds, hail, snow and driving rain 
  • Backed by a 10-year UV warranty 
  • Flexible to bend around corners and over peaks for a watertight seal 
  • Easily installs horizontally or vertically by overlapping and screwing into place
  • Diffuses light to prevent leaf burn and create ideal growing conditions

For more: Farm Wholesale Ag, farmwholesaleag.com  


VENTILATION MAXIMIZER

The pitch: New to the market, it is an affordable sliding wall ventilation system that can be added and retrofitted to most greenhouse walls with polycarbonate cladding.

  • Vertically sliding vent
  • Can be operated with manual or motorized drive shaft
  • Opening sidewall a few inches at the top in the early season creates a fast cooldown without affecting young plants
  • Low or no maintenance required
  • Can be operated in stages by most existing control systems for motorized units
  • Offered with a low-cost 3 rpm drive motor and five-stage operating controlling for two sides

For more: DeCloet Greenhouse Manufacturing, decloetgreenhouse.com


KOOLLITE PLUS

The pitch: Reduces daytime heat buildup, lowering the greenhouse temperature by up to 10 degrees when used as the inside layer of a double-layer installation.

  • High PAR light transmission for fall and winter production
  • Two-directional drip control
  • Nighttime infrared heat retention can help save up to 20 percent on heat costs
  • Can be part of Two In One rolls in 20-foot and 24-foot sheeting combinations with K50 Clear

For more: Klerks Hyplast Inc., klerksusa.com


SUN MASTER IV – SULFUR RESISTANT (SR)

The pitch: Introduced last year, this co-extruded film product is UV stabilized for up to four years of film life.

  • Film is 6 mil thick and made of three layers
  • Provides strength, high-light transmission and better fold, tear and puncture strength
  • PAR light transmission (400-700 nm) is 86 percent with a slight yellow tint
  • Resistant to sulfur

For more: Lumite Inc., lumiteinc.com


POLICARB

The pitch: Offered in a variety of widths, lengths, thicknesses, profile structures, colors and glazings, the Policarb line consists of structural multi-wall polycarbonate sheets.

  • Thickness options range from 4-25mm
  • Anti-fog coating
  • Resistance to UV rays and hail
  • Applicable for vertical windows, roofing, curved roofing and ceilings
  • Offers light transmission
  • Saves energy
  • Economical and versatile

For more: Gallina USA, gallinausa.com


VISOR WHITE

The pitch: This shade coating diffuses light and reduces heat on greenhouse surfaces, including glass and hard and soft plastic glazing materials.

  • Coating can be used on all greenhouse roofing materials, including glass, acrylic and poly
  • Formulated to provide better uniform coverage of greenhouse surfaces
  • Packaged in a concentrated form to be easily diluted

For more: Becker Underwood, beckerunderwood.com


ACRYLITE ALLTOP
The pitch: Designed as a glazing panel for commercial greenhouses where an extremely high light transmission is required.

  • 16 mm double-skinned sheet
  • Patented anti-condensation coatings
  • Light transmission of up to 91 percent
  • Provides an energy savings of up to 50 percent over conventional single-glazed products
  • 30-year, non-yellowing guarantee
  • 10-year hail warranty
  • Available in clear UV Transmitting and clear UV Blocking

For more: Evonik Industries, acrylitebuildingproducts.com


LS SOLARWOVEN

The pitch: This reinforced transparent greenhouse cover blocks 90 percent of the sun’s UV radiation and saves energy when used inside the greenhouse.

  • Withstands hail, downpour and wind
  • Tear-resistant
  • Can be used for roll-up side walls both inside and outside, and doesn’t stretch
  • Made of 100 percent polyolefin
  • 0.3 mm thickness

For more: Svensson, svenssonglobal.com

March 2013
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