E-Z Roll-Up Greenhouse Curtain You can't control the weather, but you can have all-weather control of your greenhouse with our complete roll-up curtain system. Our system includes everything you will need for years of continuous operation. No lumber to purchase, no extra poly fasteners to purchase; our price includes everything. In addition, you can choose a manual crank or an incrementally automatic system. Our fabric is a heavy-duty 12 mil. coated 10'x10' weave fabric (not 6 mil. poly), strong enough to withstand the abuse of windy conditions and even rocks thrown by lawn mowers and weed-eaters. Growers prefer curtains that roll up from the middle as opposed to rolling up from the bottom; crank rotations are reduced by 50%, and curtains are kept straight. Affordable and easy to operate natural ventilation as well as adaptable to any greenhouse with straight sidewalls. 6’, 8’ 10’ or 12’ systems Motorized crank package with guide pipe and hardware 24V incremental temperature control system (controls 2 curtains)

PROTECTS plants from wind and cool air when opencurtains and blinds beerwah REDUCES crank rotations by as much as 50%red poppy print lined eyelet curtains PREVENTS snow from piling against curtainblinds and curtains wetherby NOTE: Generally a 60/40 ratio is recommended (60% curtain opening, 40% base wall).curtain warehouse finchley london Or call (800) 346-9902 to talk with one of our sales associates!white blackout curtains kmartSkip to main contentswish curtain track wall brackets

You are hereRoll-up Sidewall Contact Our Sales Teamcheap curtains 300cm drop Select A Department * - Select -General InquiryGreenhouse + Hydroponic System Planning & SalesSales and OrderingMailings and LiteratureHorticultural Technical SupportEquipment Technical Service TeamPurchasingCustomer ServiceAdministrativeWeb Services Your Contact Email * Your Questions / Comments * I would like to attend a Grower Training Workshop. Please have a CropKing representative contact me with the current Workshop Schedule. I would like a Commercial Greenhouse Literature Package. I would like a Commercial Hydroponic Catalog. I would like a Hobby Greenhouse Literature Package Monday: 8 Am - 5 PM Tuesday: 8 Am - 5 PM Wednesday: 8 Am - 5 PM Thursday: 8 Am - 5 PM Friday: 8 Am - 5 PM All times are ESTWe have extended the 30% off Solarside Poly and Blackout Vinyl!

Order Online and Enter Code CNPOLY30 at checkout. Hurry Offer ends 28 Feb 2017! Advancing Alternatives' greenhouse curtain/ventilation systems allow for air movement across the width of your greenhouse. The natural ventilation provided by our curtain systems serve four crucial horticultural functions: temperature control, air circulation, humidity control, and CO2/oxygen replacement. Environmental Control is Quality Control Greenhouses accept and trap solar radiation thereby raising the temperature in the environment. High temperatures can be detrimental to plant growth and/or plant health. Our natural ventilation systems provide a means to exhaust excess heat in your greenhouse. Plants benefit from breezes in terms of transpiration and cell wall strengthening. Air moving and blending throughout a greenhouse balances temperatures, humidity, CO2, and oxygen, thus creating uniform conditions. Plants respond better to environmental consistency. Also, humidity will build up in a greenhouse without adequate ventilation.

The transpiration of plants naturally increases humidity levels as does the inherent condensation occurring within a thermally dynamic structure. High humidity levels in a greenhouse invite pathogens, molds and fungi that can interfere with plant growth. Humidity control can even be automated with a curtain/ventilation system from Advancing Alternatives. Lastly, fresh air provides the CO2 that is critical for photosynthesis and oxygen required for root growth. So, the introduction of fresh (and exhausting of stale) air achieved by a well ventilated greenhouse increases the health and quality of your greenhouse crop. How is it done? Opening a space along the entire length is, naturally, the most energy-efficient way to introduce fresh air to a greenhouse. A curtain/ventilation system, allows for air movement across the width of your greenhouse. As the width is the shortest dimension, that new air will heat up less than air moving along the entire length of a greenhouse (as is common with mechanical systems).

Sidewall ventilation is also vital to the efficiency of roof climate systems. When the operation is managed by one of our vent controllers, a level of crop quality control is built into your greenhouse without lifting a finger. When utilizing materials like woven, single or double-layer polyethylene films, you lower the material cost of your greenhouse sidewalls subsequently lowering your cost for ventilation. Moreover, our inflatable roll up curtains provide an insulation factor that rivals materials that cost 10 times as much and don’t easily lend to a full sidewall opening. Free standing greenhouseDesigned for a greenhouse with a roofline and sidewall that is curved or rounded. The components of the Free Standing Package provide for effective curtain travel over an arched profile. Often used as a stand-alone or second-stage cooling system. Allows cooler air to move from one side of your greenhouse to the other. Gutter Connected GreenhouseThe Gutter Connect Package is designed for a curtain opening that is vertical and sheer.

The package is typically employed by gutter-connected greenhouses on the perimeter or on the end walls of any structure. Increases cooling efficiency when used in conjunction with roof vents. Curtain WallOpens the sides of your greenhouse from the ground up. Allows for the convenient movement of people, products and materials through the sidewall. Often utilized in a garden center environment for customer access to products displayed both indoor and outdoor. Also used in growing houses where access to crop and materials is desired or separation of climate zones is “convertible”. Evaporative PadAn alternative to louvers. Allows more air to pass through evaporative pads than louvers. Lends to independent double-layer poly inflation which insulates and allows for greater control of warm air loss/cool air infiltration. Also available as a single-layer poly curtain with brush seal. Roof RollEnables a ventilation opening above the gutters of your greenhouse without the weight and expense of a rack and pinion system.