"Bought 2 of reject deck kits. They seemed really good value however both the joists and decking are simply too flimsy. I have had to put posts absolutely everywhere to try and avoid flexing and have bought more joists locally because they are supplied to fit every 600mm which isn't enough for this ultra thin material. Also I had 2 deliveries because I changed the design and neither driver gave me a call 1 hour before delivery like they say. Communication is generally poor.
After buying the extra joists from a local wood yard (they won't sell 3.5 X 1.5 wood as decking joists) I will only use them from now on.
Yet another point: I bought some seperate reject decking to use elsewhere and this was really poor quality compared to the reject decking kits material. Some is unusable."