AS2047 Australian Standard aluminum doors sound proof french garage roller shutters used: Step 1.Protective tape protects frames from scratches; Step 2.Keep windows fixed on iron pallets; Step 3.Tie up windows on the iron pallets with plastic belts; Step 4.PE films keep windows away from sea water; Step 5.Fill in the space between each two iron pallets by air bags; Step 6.Tie up iron pallets in container with plastic belts.