The 238 Professional series is the best tunnel money can buy. It is an all steel, aluminum, polycarbonate, and plastic construction, with no wood used on the structure. This is the tunnel that you never replace or maintain! Popular with professional growers who need a rugged, well built building.
Widths: Available in 16, 22, 30, 34, 35.5ft
Hoop Spacing: 6ft Center-to-Center
Sidewall Height: Tall Sidewalls for 8ft Trellis Height
Bracing Kit: 1.315in OD 14ga Galvanized Steel Corner Bracing (Fixed & Movable), Cable X & Ridge Bracing (Movable)
Truss Kit: W-Truss
Movable Anchoring: 1/8in Galvanized Cable Anchoring and Exterior Earth Anchors
Endwall Material: 2in (1.5in for 16ftW) OD Prefabricated Galvanized Steel. Fixed tunnels come with single hinged door endwalls (N-641-67). Movable tunnels come with single hinged door Flip-Up bottom endwalls (N-671-67).
Sidewall Material: Aluminum Hip Boards and Galvanized Steel Base Boards
Roof Geometry: Gable (16ftW) and Gothic (22 & 30ftW)