Red Seal Glazier Practice Exam

Question: 1 / 400

Which benefit does argon gas provide in insulated glass units?

Improved optical clarity

Increased thermal insulation

Argon gas provides increased thermal insulation in insulated glass units because it is a heavier, non-toxic, and inert gas that is less conductive than air. When used between the panes of glass in double or triple glazing, argon reduces the transfer of heat through the glass. This means that in colder climates, it helps keep the warmth inside, while in warmer climates, it can help keep the heat outside, contributing to energy savings and improved comfort within buildings. The thermal performance enhancement is significant, as argon-filled units can significantly lower the U-value (a measure of thermal performance) compared to air-filled units. This benefit plays a crucial role in energy efficiency and is a major reason why argon gas is commonly used in the glazing industry.

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Decreased weight of the glass

Enhanced soundproofing

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