Row Cover Deluxe Plus brand_acrylite ThermaGlas Multi-wall Polycarbonate Sheet is

ThermaGlas Multi-wall Polycarbonate Sheet is designed and engineered specifically for commercial greenhouse use

Roof vents: 1

You can even build it without a concrete foundation

Can be used alone or to create configurable display systems

which is heat sensitive begins to open the vent at 74 degrees

Row Cover Deluxe Plus brand_acrylite ThermaGlas Multi-wall Polycarbonate Sheet isThis 1 oz. fabric protects vegetation from frost and provides protection against cold, wind, birds, insects, and scorching sun, Deluxe Plus helps produce larger, earlier and more productive yields. 65% Light Transmission Additional Information: Deluxe Plus Row Cover Spec Sheet (PDF) Ordering Information Orders up to 8' will ship Standard Ground Service. Anything over 8' will ship via Motor Freight Carrier.