There have been requests on whether composite decking can be installed on a steel frame. We have done a lot of wood frame work however there is no doubt that the composite decking can be installed as well on a steel frame. What we do is change the screws and hidden fixings to cater for the steel frames. As easy as that.
There is currently a job out in Gosnells that is using a steel frame with a composite deck. You can see it here: