UNDERLAYMENT 3.0mm VAPOUR BARRIER $0.25 3.0mm HIGH DENSITY UNDERLAY $0.45 1.5mm L.V.T UNDERLAY $0.55 3.0mm SOLID SOUND PLUS $0.59 4.5mm QUIET WALK UNDERLAY $0.79 3.5mm DURASON UNDERLAY $1.29 6.0mm CORK UNDERLAY $1.49