Roof Truss Upgrade for Flooring Loft, to Allow for Storage.?

Question by iainmackay85: Roof truss upgrade for flooring loft, to allow for storage.?
I am planning to floor my loft, however just now they trusses are out of 4×2s. the span is 8m with a supporting wall in the centre. all internal walls are of brick construction and the presumption that the central wall is supporting [...]