Red Seal Glazier Practice Exam

Question: 1 / 400

What is the advantage of using desiccants in insulated glass units?

They improve the color of the glass

They absorb moisture to prevent condensation

Using desiccants in insulated glass units is critical because they absorb moisture to prevent condensation. Condensation can occur within insulated glass units when there is humidity trapped between the panes, leading to fogging and obscuring visibility. This can also lead to mold growth, reduced insulation effectiveness, and deterioration of the seal. By incorporating desiccants, moisture is effectively managed, keeping the space between the glass panes dry and maintaining clarity and insulation performance over time.

The function of desiccants is essential in ensuring the longevity and performance of insulated glass units, which is a key aspect of a glazier's work. Understanding this concept is fundamental to selecting the right materials for glazing and ensuring the effectiveness of installations.

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They enhance the strength of the glass

They provide additional UV protection

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