Cables quickly become loose
We installed this cable railing on our existing deck last year. The cable continues to sag after about a couple weeks to a month. It does help to use pliers to hold the cable steady while tightening the system, in order to counter the pent-up torque that releases over time- but that doesn’t remedy the problem (BTW, this should be mentioned in the standard instructions but it is not mentioned). On the positive side, the support was responsive and they guided me through what could be done, but I had already tried those methods. I’m left with the possible conclusion that since I put it on a relatively older wood deck, cables are just going to become loose in a short time? Be aware that this is a possibility if adding to an existing wood deck!