Structure

Trusses & Purlins

Span-Tech shelters are supported by a network of steel rafters, purlins, and cables. Our wide buildings use welded and bolted construction for increased strength and stability. Engineered cable bracing ties the rafters together.

Our 24, 30, and 35 foot buildings have cables run through each set of purlins to hold the structure together. They are assembled with zinc-plated connectors and base plates.

Base Plates

Our wide buildings have some of the narrowest base plates in the industry. They are designed with usability and safety in mind. With our base plates, you get more usable cube for the same width. Their lower profile also helps protect against tire damage and personal injury.

Engineered Cabling

Our wide buildings use an engineered network of cables to brace the entire building, rated to withstand wind loads of up to 90 MPH.

Arch Trusses

Our buildings are arched so the entire truss is used to create tension on the canvas surface, keeping it secure and causing it to wear uniformly. Our engineered buildings are rated to support up to 40 feet of snow.

Hot-Dip Galvanization

To achieve our superior engineering design on wide buildings, all base plates and X-braces are welded. We then hot dip galvanize the entire trus, inside and out, to provide the joints with the best protection possible. Hot dip galvanizing is “proven to perform in use, without maintenance, for approximately three times longer than in-line produced zinc coating” (American Galvanizing Association).

GatorShield® is used on our smaller buildings (24, 30, and 35 foot shelters). This enables our tubular steel to pass more than 2000 hours of salt spray testing.

Legs

Legs are an option available on all sizes of Span-Tech buildings.