Adds a set of purlins to the left and right side of the ridge pole to your hoop house.
Recommended for high tunnels and hoop houses at least 20' wide in high wind areas.
Required for high tunnels and hoop houses greater than 20' wide.
Sold in increments of 20 feet, which cover the left and right runs that go parallel to your ridge pole.
what is the diameter?
The poles use for the purlin set are 1-3/8" in diameter.