What do vapor barriers usually consist of for insulation purposes?

What will be an ideal response?


Vapor barriers can be asphalt impregnated paper, aluminum-coated wood or paper products, or
polyethylene film.

Trades & Technology

You might also like to view...

Delta note

What will be an ideal response?

Trades & Technology

Technician A says to always purchase replacement tires with the same or greater speed rating as when the vehicle was new. Technician B says to install the same type of tire (example: m+s) on all wheels. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Trades & Technology

Identify the incorrect statement in regards to PAG (polyalkylene glycol) oil:

A. PAG oil is hygroscopic. B. PAG oil is easily mixed with any other refrigerant oil. C. PAG oil can easily damage paint surfaces. D. PAG oil should be kept in a clean container to prevent contamination.

Trades & Technology

are often described as straightened-out coil springs

What will be an ideal response?

Trades & Technology