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Commercial Storage Grain Bin Roofs Grain Systems commercial grain bins / grain silos feature an exceptionally strong roof support system. Structural "wide flange" steel beams are the backbone for GSI grain bin / grain silo roofs on larger diameter tanks yielding peak loads of up to 10,000 pounds. Even the smaller diameter bins (42 ft. - 60 ft.) feature galvanized rafter systems spanning from eave to peak for extra solid roof support.		Specifications -------------------- Commercial Storage Grain Bins -------------------- Solid Roof Support -------------------- Easy Grain Bin Access -------------------- Grain Bin Flooring -------------------- Grain Aeration Options High Tensile, Fully Overlapping Roof Panels GSI grain bin roof ribs are taller, fully double lapped and have four extra reinforcing ledges. The roof ribs, together with corrugated panels and 55,000 PSI high tensile steel, combine to form an exceptionally strong and reliable roof panel system.

	Solid Roof Support The GSI structural beam design allows quick and simple roof construction. Each roof panel is manufactured using GSI's exclusive, fully automated, roll forming line. This insures a precise and consistent fit throughout assembly and helps maintain a tight seal between panels. Only GSI offers this level of accuracy in roof panel manufacturing.

Heavy Roof Peak "Flat Top" The GSI "Flat Top" is a structurally welded, flat platform providing a large surface to attach overhead equipment, spouting, catwalks, etc. without the costly field fabrication. The "Flat Top" comes standard on all 54 ft. dia. and larger tanks (optional on 33 ft. - 48 ft.) and requires no time consuming field assembly.

Grilled Vent

GSI also offers a 2HP, 24" diameter power roof exhauster for situations requiring greater airflow.

Optimum Ventilation
GSI offers two unique vents to meet your ventilation requirements. The hinged grill vent features a vertically mounted, large mesh, wire formed screen to keep out pests and swings freely open to allow easy release of trash buildup. The Auto-Vent is designed to reduce "plugging" or air restriction through the use of a special wing-shaped damper. The damper drops down and closes when the fan is not in operation to help block out wind, snow, birds, etc. from entering. Both vents are assembled with a heavy duty locked seam and for additional protection, a die-cut gasket is placed between the vent and Extruded Lip Panels roof panel to further decrease water penetration. GSI also provides roof panels with an exclusive factory-prepunched, extruded lip for each vent.

Grilled Vent

Auto Vent