Steel Purlin Kits | Caterpillar Tunnel Add-on
$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 an Active Vista Caterpillar Tunnel
Length
Hoop Spacing
Often purchased with
- Wind Bracing
- Sliding Door End Wall Kits
- Trellis Cable Kit
- Cross Bracing
Each kit includes purlins, cross connectors, purlin end saddle kits and Tek screws.
Note: While the purlin will increase rigidity, it will also increase the time and effort involved in moving the tunnel.
WHAT’S INCLUDED:
- 2500mm x 32mm Galvabond tube steel
- 14g Tek Screws and driver
- 2 x Purlin End Saddle Kits
- Cross connectors for each hoop intersection
