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Special to Licensed Architect

Glass Solutions for Today’s
Design Challenges

by Ken Brenden, American Architectural Manufacturers Association

The myriad of glass choices available today make it easier than ever for architects to meet the unique demands of every application. But, the number of product choices, which must be matched to a wide range of design parameters, also makes product specification very complex.

The best possible glass solution for each project will represent an optimized accommodation of requirements for structural integrity, safety, security, energy efficiency, interior comfort, aesthetics and budget. Obviously, a "one-glass-fits-all" approach to meeting these needs does not consider the increasingly varied and complex array of architectural options.

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ALA/CEP Credit: This article qualifies for 1.0 LU’s (health, safety, and welfare) of State Required Learning Units and may qualify for other LU requirements. (Valid through July 2010.)

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Questions 1:
Tempered glass is ___ times stronger than annealed glass.

a) two

b) three

c) four

d) none of these

Questions 2:
Loads on architectural glass include mechanical stresses caused by high winds and/or snow accumulation and are typically addressed by:

a) Project managers

b) Architects

c) National building codes

d) Local building codes

Questions 3:
The Light-to-Solar Gain ratio can be calculated by dividing the Visible Light Transmittance by the Solar Heat Gain Coefficient, (LSG=VLT/SHGC). A higher LSG means?

a) Less natural daylight and more solar heat loads

b) The u-value will be better

c) More natural daylight and lower solar heat loads

d) The glass is not spectrally selective

Questions 4:
When talking about multi surface glass packages, such as double or triple insulating, laminated, or combinations, surface number 1 is always:

a) The thickest

b) The most energy efficient

c) The surface that is outside the structure

d) The darkest

Questions 5:
Solar Heat Gain Coefficient (SHGC) is generally lower with low-E coatings on which surface?

a) #1

b) #2

c) #3

d) Any of the above

Questions 6:
Which is stronger – heat-strengthened glass or tempered glass?

a) Tempered

b) Heat-strengthened

Question 7:
Laminated Glass provides better sound quieting characteristics than regular glass?

True

False

Question 8:
What two programs promote the use of energy efficient products?

a) Energy Star and LEED

b) Energy Star and UL

c) LEED and UL

Questions 9:
Choose the selection criteria for choosing the right glass.

a) Glass aesthetics

b) Performance needs

c) Application demands

d) Product limitations

e) All of the above

Questions 10:
In specifying a glass solution, it is rarely necessary to sacrifice a unique aesthetic vision.

True

False

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