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AIA/Architectural Record Continuing Education

Instructions

• Read the article "Air Barriers: Increasing Building Performance, Decreasing Energy Costs"
• Complete the questions below, then fill in your answers .
• Fill out and submit the AIA/CES education reporting form in the magazine or print the form to receive one AIA learning unit.

Questions:

LU: 1 HS: 1

1. The driving force for air leakage is:
a. The difference in total air pressure across a building assembly, with airflow occurring from positive to negative pressure.
b. The difference in total air pressure across a building assembly, with airflow occurring from negative to positive pressure.
c. Stack Pressure
d. Leaky materials in the building envelope

2. What is the driving force for vapor diffusion:
a. The difference in the total air pressure between the interior and
exterior of the building.
b. The difference in water vapor concentration or difference in vapor
pressure across an assembly.
c. The difference in atmospheric pressure at the top and bottom of a building due to difference in temperature.
d. Water intrusion into a building

3. What is the largest wetting source for above grade walls:
a. Air transported moisture
b. Vapor diffusion
c. Liquid or bulk water infiltration
d. Uncontrolled air flow

4. What is the primary function of an air barrier?
a. Water resistance
b. Vapor resistance
c. To prevent air leaking through porous materials
d. To control air leakage

5. An additional air barrier function is:
a. Controlling air flow
b. Protecting water intrusion
c. Preventing mold growth
d. Eliminating pollutants

6. Air barrier requirements include:
a. Ability to withstand pressure loads or be able to transfer the load
b. Durability
c. Continuity
d. All of the above

7. An effective air barrier should have:
a. High resistance to liquid water penetration
b. High resistance to air infiltration
c. Optimum moisture vapor permeability
d. A balance of critical properties

8. A key consideration when selecting an air barrier system for a building enclosure is:
a. Vapor transmission
b. Climate
c. Sustainability
d. Site design

9. What type of air barrier can and should be used in all climates and all wall designs?
a. Vapor non-permeable
b. Vapor permeable
c. Mechanically fastened
d. Self-adhered

10. Vapor non-permeable air barriers must be located:
a. On the cold side of the thermal insulation
b. On the warm side of the thermal insulation
c. Anywhere in the wall assembly
d. None of the above

Click here to print the reporting form.