The most commonly used material for a vapor retarder is ____ film.
A)polyamide
B)elastomer
C)polyethylene
D)acrylic

Question

Quizplus · Accepted Answer

Polyethylene film is the most commonly used material for a vapor retarder because it is inexpensive, easy to install, and has good resistance to moisture. It is also widely available in different thicknesses and widths, making it suitable for different applications. Polyamide and elastomer are not commonly used as vapor retarders, and acrylic is more commonly used for coatings and adhesives.

The Most Commonly Used Material for a Vapor Retarder Is