Roll-Over curtain system is a poly curtain that cover the sidewall ventilation openings on a livestock housing building when closed. When ventilation air is needed for fresh air supply or temperature reduction, the curtain can be opened from the top downwards to provide some, or more, opening as needed to let air into & through the building.
Roll-Over curtain systems open the curtain material, instead of simply folding downwards, is rolled onto a pipe that rotates at the bottom of the cu...