What is it used for or what does
it do?
This membrane is used as a sub-grade
sheet for damp-proofing. A vapor retarder used where the floor, wall or ceiling is sensitive to humidity in
above grade work, such as wall and roof assemblies.
What is it made of?
A single layer of virgin
polyethylene.
One (1) layer of foil base,
low-density virgin polyethylene (LDPE) to ASTM D4551.