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AIA/Architectural Record Continuing Education

Instructions

• Read the article "Wood Decay: New Technology for an Age-Old Problem."
• 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. According to the American Wood Preservers' Institute, the life span of treated wood is typically how many times the useful lifespan of untreated wood?
a. Two
b. Four
c. Six
d. Eight

2. What common form of wood treatment is the black or brownish oil made by distilling coal tar and widely evident as the preservative for railroad ties?
a. Creosote
b. Sapstain
c. Boron
d. PCP

3. Wood preservation is a ___________ industry.
a. $5 billion
b. $10 billion
c. $15 billion

4. Which treatment technique is used to introduce boron salts to green timber?
a. Pressure Impregnation
b. Vapour Phase
c. Vacuum Treatments
d. Diffusion

5. Which wood preservative chemical is appropriate for marine structures?
a. ACQ
b. Creosote
c. PCP

6. Which types of wood fungi is the most destructive?
a. Mold
b. Sapstain
c. Decay

7. In the “full-cell” treatment process described, what is the maximum amount of lumber that can be treated in a single charge?
a. 5,000 board feet
b. 10,000 board feet
c. 15,000 board feet

8. Borate-treated wood is not considered suitable for unprotected outdoor use such as fence poles
a. True
b. False

9. Copper azole (CBA) is widely used with established EPA guidelines for use and handing.
a. True
b. False

10. What is the most common CCA replacement?
a. Copper Azole
b. Alkaline Copper Quaternary Ammonium
c. Ammoniacal Copper Citrate

Click here to print the reporting form.