37kg/m2 is the limit of weight able to be applied to a Resilient Bar in both vertical and horizontal planes, where the resilient bar is at 400mm centres and joists/stud are at 400mm centres.

25kg/m2 is the limit of weight able to be applied to a resilient bar in both vertical and horizontal planes, where the resilient bar is at 400mm centres and joists/stud are at 600mm centres.