Skip to main content

Air barriers

As a component of the building envelope system that controls infiltration and exfiltration by air movement, an air barrier must have permeability no greater than 0.02 L/(s•m2) @ 75 Pa pressure difference. Which of the following materials can function as an air barrier
A. expanded polystyrene
B. fluid applied synthetic latex rubber membrane
C. asphalt impregnated felt
D. peel and stick sheet membrane
E. spunbonded polyolefin film membrane
F. perforated house-wrap

AnswerB, D, E are suitable (E - house wrap - however, must by properly supported on both sides as they cannot support negative wind loads and may tear at staples or rupture under load)

ARE 4.0 exam prep: BS

Comments

Post a Comment

Try These Too!

Roof pitch

Which one of the following slopes in this illustration corresponds with an 8:12 pitch roof? A. 45° B. 36.87° C. 33.69° D. 26.57°
Post a Comment
See the answer »

Stone shape and usage

Which of the following forms of stone is irregular with a minimum of one good face and is used for ashlar veneers, curbs, sills, and copings? A. Monumental stone B. Rubble stone C. Dimension stone D. Rough stone Answer B. Rubble stone. ARE 4.0 exam prep: BDCS
Post a Comment
See the answer »

Fire detection

Which of the following detector types can detect smoke or a smoldering fire that has not yet burst into flames? A. Ionization B. Rise-of-temperature C. Photoelectric D. Flame detectors
Post a Comment
See the answer »