Other Skilled Trades Glazing 2

Question 1

What is an Insulated Glass Unit (IGU)?

Accepted Answer

Two or more glass panes with a sealed air or gas space between them

Answer

A single pane with a low-E coating

Answer

Tempered glass with wire reinforcement

Answer

A laminated safety glass assembly

Question 2

Why is argon gas used in double-pane window units?

Accepted Answer

To improve thermal insulation because it conducts heat less than air

Answer

To absorb moisture between the panes

Answer

To block UV light transmission

Answer

To reduce sound transmission

Question 3

What causes a failed seal in an IGU?

Accepted Answer

Moisture infiltration between the panes

Answer

Improper cleaning of the glass surfaces

Answer

Normal aging of the sealant over decades

Answer

Excessive argon gas pressure inside

Question 4

What is Low-E glass?

Accepted Answer

Glass with a microscopic metallic coating that reflects radiant heat

Answer

Glass designed for low energy consumption in manufacturing

Answer

Frosted privacy glass for bathrooms

Answer

Single-pane glass with a thin film applied

Question 5

What is the purpose of glazing tape?

Accepted Answer

To provide a compressible seal and cushion between glass and frame

Answer

To secure the glass unit during transport

Answer

To mark measurement layouts on glass

Answer

To hold glass in place while structural adhesive cures

Question 6

What is spandrel glass used for in curtain wall systems?

Accepted Answer

Opaque panels concealing floor slabs and structural components

Answer

Structural transparent panels between floors

Answer

Frosted glass for bathroom privacy panels

Answer

Safety glass for stairway railings