Vycor enV is a rolled or spray-applied, one component, acrylic membrane that forms a continuous water and air barrier with seamless protection. It is part of the specially-engineered products in Grace’s Weather Protection Systems line that helps to seal homes against moisture damage through superior waterproofing. The product protects against ingress of incidental water such as that caused by severe weather, vapor or condensation, into the building. The WRB protects moisture sensitive wood structures in the event of a breach in exterior wall coverings.