On Time on Budget Since 1979

Freestanding Greenhouses

Suitable for use in even the harshest of climates
Ideally suited for professional growers who require unique environments for different crops
Provides economical growing space
Specially designed swinging side vent and the double ridge vents allow for a more natural airflow
Dramatically sloped arch design optimizes the useable space for growing bench crops as well as hanging baskets

Product Specifications

Standard widths: 24’, 27’, 30’, 31’, and 35’ (for smaller widths, see Coldframes)
Arches on either 4' or 6' Centers
Straight ridge purlins
Straight or curved side purlins
Anchor posts or flat bottom brackets
3 piece arch design
Full set of construction blueprints & material list breakdown for construction
New Widepan sizes available up to 80 feet

Uses & Application

Floriculture

Vegetable Crops

Nursery Crops

Photo Gallery

Customer Testimonials

"One really important feature that I really like about the GGS structure is the ease of installation. You know, the way things fit together and the way one piece works with another piece...and the strength of the structure is designed for our climate"

Aaron Randall, Sweet Valley Herbs, Keswick, New Brunswick