Riverstone | 16x24 ft Jefferson Growers Edition Educational Greenhouse Package, 8mm Twin-wall Polycarbonate Glazing GREENHOUSE FLOORING KIT The polycarbonate roof panels are

The polycarbonate roof panels are 4mm thick

Seal Length: 12"

DIY not your thing

whether you cover your window

the roof ornament keeps rain out and vents smoke and humidity

Riverstone | 16x24 ft Jefferson Growers Edition Educational Greenhouse Package, 8mm Twin-wall Polycarbonate Glazing GREENHOUSE FLOORING KIT The polycarbonate roof panels areDue to frequent cost fluctuation, please call for pricing. This is a custom made product and is non refundable or returnable once production has started. The Jefferson GROWERS Greenhouse Package is designed for growers looking for a professional structure to grow their crops of choice in an ideal controlled environment. The 2" x 2" galvanized steel frame with pre welded stanchions and commercial graded 8mm twin wall corrugated covering (walls and