I suspect it does work. However, fabric pots also work pretty well at accomplishing the same thing. For anything 15 gallons or larger, I've found it is very hard to remove a tree from a fabric pot.
How would you make a pot out of a roll? How would you fasten a length into a pot without it coming undone? Staples? Seems hard to do. Maybe overlap a couple of the sets of holes and then thread zip ties through them?
Then how would you fasten the bottom? What would the bottom be? landscape fabric? Plastic? Does it matter?
Anybody have any experience with this stuff?
I don't see how you'd get a tree out if you needed to repot without disassembling it. I guess if you needed to repot you could just cut down the side or cut the zip ties. Then it should be simple to take the pot off, rather than trying to take the tree out of the pot.
By my calculation, you could build about 50 pots, 33 gallons each, with this size roll. Of course you'd also have to come up with something for the bottoms, so that would mean more expense. I wouldn't recommend using this stuff for the bottoms or the roots would grow right through and into the ground and you'd never be able to lift the pot.
So $340/50 = $7, maybe a little more if you include bottom material. That is similar to what a fabric or large heavy duty pot of the same size costs.
I would like to try it out but don't want to commit to buying so much of it.
Would rather try it on a few pots first as a trial.