vapor-barrier seams: close every cut, tear, and penetration insulation, liner, vapor barrier & condensation vapor barrier seam tape tear patch duct wrap condensation maintain one continuous vapor barrier by sealing seams, overlaps, hanger penetrations, access doors, and repairs with the approved compatible system. small vapor-barrier breaks can become condensation points that wet insulation and stain ceilings. insulation manufacturer instructions, project insulation specification, approved jacket system is this the approved vapor-barrier repair system for these seams, hanger penetrations, and tears?