What diameter and gauge steel are the bows?

All 14-ft wide Classic Caterpillar Tunnels are made with our lighterduty 17-gauge steel, while our 16-ft wide Classic’s are made with our strongest 14-gauge metal bows.

All Gothic Caterpillar Tunnels widths (14-ft and 16-ft) are made with our strongest 14-gauge metal bows. 

All solid center purlins and wind bracing pieces are all 1 3/8” (3.49cm) in diameter and 17 gauge steel.