Red Seal Glazier Practice Exam

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Which common insulating material is often used in commercial glazing?

Fiberglass

Polyurethane foam

Polyurethane foam is commonly used in commercial glazing for its excellent insulating properties. This material provides a high R-value per inch, which means it is very effective at reducing heat transfer. This thermal efficiency is particularly valuable in commercial applications where energy costs can be significant. The foam can be easily applied and formed to fit various shapes and configurations of glazing units, ensuring a tight seal that reduces air leakage and increases overall building energy performance.

Additionally, polyurethane foam is lightweight, which simplifies installation and reduces the overall load on structures. Its resistance to moisture and vapor diffusion helps prevent condensation and associated issues like mold growth, enhancing the longevity of the glazing system. In commercial glazing, where both functionality and energy efficiency are critical, the advantages of polyurethane foam make it a preferred choice among insulating materials.

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Aerogel

Expanded polystyrene

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