... which made from polyethelene, aluminum foil, nonwoven, etc PE-Plus A roof underlayment is a synthetic roof-sheet which made ... which enables the membrane keep longer service life.PE-Plus A roof underlayment has a reflective foil and can be ... , roofs, covers, canopy, etc. Medical such as disposable bedsheet, special clothing, etc. Agriculture, packing, industry and other application Aluminum foil ...