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Arch Series 6500 Greenhouse

Arch Series 6500 Greenhouse

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Conley’s Arch Series 6500 – an industry tradition, the Gothic Arch design is functional at both shedding snow and combating overhead drip. This galvanized steel greenhouse is equally at home as a growing area or sophisticated retail center.


Superior strength rollformed Gothic arches and rollformed purlins insure unmatched structural integrity. Each arch assembly is produced from one rollformed component, no splices required, from peak to gutter connection. Condensate control features built into rollformed arches and purlins. Can be covered with polyethylene or rigid coverings. Certified to meet Uniform Building Codes.


Components are shipped pre-punched and cut to length simplifying the installation. Rollformed components nest one onto the other, during shipment, substantially reducing freight rates.


All commercial Arch 6500 Greenhouses are engineered to meet 70 mph wind and 10 to 30 pound live load per the UBC Building Code. Even higher load ratings and stamped engineered plans are available at extra cost. All galvanized steel frame insures maximum strength and life. Lexan twin-wall polycarbonate covering is UV resistant and carries a 10 year warranty against discoloration.

Structural Design Features

Superior Strength Rollformed Technology

Rollformed components incorporate the same design principle applied to industrial “I” Beams. Engineered to be longer than wide, these rollformed members offer substantially greater resistance to the deflection causing forces of rain, snow and wind when compared to conventional greenhouse components.

Patented Condensate Removal Systems

As condensation forms inside a greenhouse, it runs down the roof until it reaches an obstacle such as a purlin. In standard greenhouse designs, the condensate falls to earth upon contact with the purlin. Our truss and purlin assemblies, however, incorporate unique built-in anti-drip channels which intercept the condensate, effortlessly directing it away from people and plants.

Cantilevered Gutters

Our gutters are cantilevered a full 2 feet over greenhouse columns, transferring the normal loads created by gutter connections away from the column. This feature increases the strength and stability of the structure. Gutters also lap one into the other, virtually eliminating connection leaks.