NFPA 285 & ASTM E119
Engineering extension letter for DuPont™ Styrofoam™ XPS, Kingspan® GreenGuard® XPS, or Owens Corning™ FOAMULAR® XPS foam plastic insulation for Brick Industry Association (BIA) Thin Brick Exterior Wall Systems, NFPA 285 and ASTM E119 Compliant Wall Assemblies.