GrowSpan Round Pro Greenhouses - 12' to 14'W

GrowSpan Round Pro Greenhouses are ideal for the backyard hobbyist or the professional grower, offering you more valuable growing space. Purchase the greenhouse alone or save hundreds of dollars and purchase the entire GrowSpan Round Pro Greenhouse System. There is no guesswork involved here. We've done all the calculations for you. You get exactly the equipment you need for your size greenhouse and the entire system is shipped directly to your door.

• Frame is manufactured from highest quality USA-made, triple-galvanized structural steel tubing, with 4' rafter spacing.
• End frame is constructed from strong 16 gauge, 1.5" square USA-made, triple-galvanized structural steel tubing.
• Ends are covered with 8mm twin-wall polycarbonate that offers superior insulating qualities and reduced heating costs and comes with a 10 year warranty.
• Heavy-duty ground posts are included.
• We do recommend using a baseboard. Our Recycled Plastic Lumber, sold separately, comes with a 50 year warranty and is ideal.
• Top covering is our double layer, 6 mil 4 year greenhouse film, with Inflation Fan Kit, that allows for superior heat retention. Poly latches are included.
• "Twist-of-the-Wrist" roll-up sides make ventilation easy.
• Baseboards are required for drop-down sides.
• Units come equipped with a 36" width x 80" height heavy-duty, aluminum entry door, complete with 6mm polycarbonate sections at both top and bottom, stainless steel hinges and latch.
• Optional Second Door Kit, sold separately.
• During extreme heat, use our SunBlocker™ 60% black knitted shade panels, sold separately, to eliminate heat stress and to ensure optimum plant growth.