A composite fabric for use as a roof lining material made of a multilayer
base sheet of a meltblown web of bicomponent fibers sandwiched between
two spunbond sheet layers of bicomponent sheath-core fibers and a
spunbond top sheet of bicomponent sheath-core fibers wherein the base
sheet and top sheet are joined in a manner such that the moisture vapor
permeability of the composite fabric is not substantially reduced from
the moisture vapor permeability of the base sheet alone.