Steel Purlin Kit
$90.75—$480.45gst incl.
Whether upgrading a Caterpillar tunnel, adding more structure to your existing polytunnel/greenhouse or adding additional purlins to your tunnel sides, our Steel Purlin upgrade kits dramatically increases your high tunnels’ ability to withstand wind loads and heavy rain/hail loads, increasing overall strength and rigidity, and turning it into a four-season structure.
Ships for free when purchased with any Active Vista Caterpillar Tunnel
Length
Hoop Spacing
Steel Purlin Kit
Often purchased with
Note: While the purlin will increase rigidity, it will also increase the time and effort involved in setting up and/or moving the tunnel.
WHAT’S INCLUDED:
- 2500mm x 32mm Galvanised tube steel with one 80mm swaged end
- 14g Hex head screws and driver
- 2 x Purlin saddle for end hoops
- 2 x End Caps
- Cross connectors for each hoop intersection
