An article (10) includes a porous membrane (11), a first selectively permeable (12) coating supported by the membrane (11) and a component protective against delamination of the selectively permeable coating (12) from the porous membrane (11) and/or any other coatings applied thereto. The first selectively permeable coating (12) includes an antichemical, antibiological, antiradiological and/or antimicrobial agent. The protective component may be provided alone, or as an element of the first selectively permeable coating, or, a second selectively permeable coating. A laminate (40) and methods of providing these are also provided.