Materrial identification-construction materials


Materrial identification-construction materials



 What id the name of the material ??where it is installed?what would be the purpose of using this materiL?Can anyone identify?
  The name of this material is Aluminium foil.It is also named as sisalation.It is used in roofed structures.The main purpose for using this material is to reflect the sun radiation and heat entering in to the buildings.
  It is classifed as single side and double sided aluminium foil

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