Fast and simple, our manual single swivel crank system, for roll up sides. Installs in minutes with only three self drilling tech screws (included). Simply snap clamp the bottom edge of the poly to your pipe shaft running the length of your greenhouse
Crank the roll up side up then swing the entire crankingarm, it will swivel around. Set the handle on the ground at 90 degrees to theroll up shaft as seen in photo.
This single swivel crank with handle will handle any roll up side application.
Installed hardware outlined in Red on this greenhousephoto. other photos show close up of hardware. Fast and simple, our manualcrank up hardware for greenhouse roll up sides. Installs in minutes with onlythree self drilling tech screws (included). simply snap clamp the bottom edgeof the poly to your pipe shaft running the length of your greenhouse use 1 3/8fence tubing or 1 emt tubing (not included). Use #13-G Snap Clamps for 1 3/8" for roll up tubes oruse #12-G Snap Clamps for 1" emt roll up tubes, our hardware fits both and can be adaptedto some sizes of PVC pipe. The bellowing of poly roll up sides can becontrolled by lacing 1/4" to 5/6" between the upper wood band and thelower wood band at diagonals over the poly in the closed position (see photo at bottom of page).Poly can then be raised or lowered without the wind bellowing itoutward. Our hardware fits both and can be adapted to some sizes of PVCpipe (not recommended)