A wrap- type, membrane air barrier is available in many varieties, but in all of them, it is made from
A)a perforated plastic sheet.
B)an asphalt- coated paper.
C)an unperforated plastic sheet.
D)any one of the above.
E)A or C.

Question

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The Answer of A wrap- type, membrane air barrier is available in many varieties, but in all of them, it is made from
A)a perforated plastic sheet.
B)an asphalt- coated paper.
C)an unperforated plastic sheet.
D)any one of the above.
E)A or C.

A Wrap- Type, Membrane Air Barrier Is Available in Many