GrowSpan Round & Gothic Premium Greenhouses - 12'-18'W

These greenhouses are suitable for the backyard hobbyist or the professional grower. The twin-wall polycarbonate covering provides strength, durability and elegance. Clear sheets are flame retardant, will not discolor and have up to 78% light transmission. Build a greenhouse in your backyard and start a new hobby. You can also grow beautiful flowers year round and save money by growing your own vegetables. A new greenhouse can be a valuable addition to your property. Enjoy gardening every month of the year and even start seedlings early to transplant outside when the season allows. GrowSpan Premium Greenhouses create a relaxing, stress-free environment the whole family will enjoy!

• Frame is manufactured from highest quality USA-made, triple-galvanized structural steel tubing.
• End frame is constructed from strong 16 gauge, 1-1/2" square USA-made, triple-galvanized structural steel tubing.
• Ends and top covering are constructed from our 8mm twin-wall polycarbonate sheets that are light in weight, virtually unbreakable and come with a 10 year warranty.
• Panels contain UV inhibitors which prevent degradation.
• Built-in condensate control eliminates water droplet formation for a healthier plant environment.
• 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.
• 4' height sidewall offers more valuable growing space.
• Optional Second Door Kits sold separately.
• Heavy-duty ground posts are included. Baseboards are recommended. Our Recycled Plastic Lumber, sold separately, is ideal and comes with a 50 year warranty.