What is ASTM E 1643?
"Standard Practice for Selection, Design, Installation, and Inspection of Water Vapor Retarders Used in Contact with Earth or Granular Fill Under Concrete Slabs."ASTM E 1643 is an installation standard titled, "Standard Practice for Selection, Design, Installation, and Inspection of Water Vapor Retarders Used in Contact with Earth or Granular Fill Under Concrete Slabs." Stego Industries subscribes to all of the installation procedures outlined in this standard.