HELLO FELLAS .we are in the process of buying our own house but need to put two new floors in ,wooden one has woodworm other old quarry s.working on worst case of having both floors done in concrete or thinking of freeflowing screed ,can this be used instead and how does it compare in price .ps wat sort of base prep would be needed apart from dig out and blind and isulate and poly and who could do it with there machine burton on trent area cheers