Over-the-Top Blackout System

GrowSpan Greenhouse Structures' Over-the-Top Blackout System is an automated light deprivation system for cannabis growers in need of an economical solution, offering a simplified design and streamlined alternative to complex, expensive interior blackouts.

The system’s simplified design allows growers to save money while experiencing the same reliability as a traditional light deprivation system. Users will find the Over-the-Top Blackout is easy to operate due to the two-arm technology and motorized control.

Cannabis growers will enjoy complete control over their crop flowering cycle with the new Over-the-Top Blackout System. With fully automated operation, greenhouses will transform to blackout conditions due to the nontransparent cover made of ultra-durable polyethylene. The opaque fabric is specially designed to prevent sunlight from finding its way inside the structure through gaps, which could throw off cannabis growth cycles.

The Over-the-Top Blackout features an innovative two-arm mechanism to attach the system to the greenhouse and operate efficiently. The arms begin at the peak of the structure with the blackout curtain rolled up, allowing sunlight into the greenhouse. As the arms descend from the top on either side, the blackout curtain simultaneously unravels to cover the structure with the curtain.

The Over-the-Top Blackout System is designed to integrate seamlessly into the GrowSpan Series 500 Greenhouse. The system is readily available in a number of sizes, and GrowSpan specialists can customize the blackout system to fit other greenhouse models upon request.

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