a facing laminate for insulation products includes : a foil or metallized polymeric film sheet layer forming an inner layer of the laminate that is adapted be bonded directly to a surface of an insulation product ; a paper composite sheet layer , which may include synthetic and / or inorganic fibers , forming an outer exposed layer of the laminate ; and a scrim intermediate and bonded to the foil or metallized polymeric film sheet and paper composite sheet layers . the facing laminate may include a humectant and / or a water , oil , and / or grease repellant component . the paper composite sheet layer of the laminate exhibits greater dimensional stability and reduced wrinkling when the laminate is exposed to conditions of high humidity . insulation products to be faced with this facing laminate include pipe insulation , duct board , duct wrap insulation , metal building insulation , and other building insulation products .