Red Seal Glazier Practice Exam

A pacer in a curtain wall system serves to maintain the intended distance between glass panels and the structural framework of the building. This is crucial for ensuring that the design specifications are met, providing the necessary spacing for structural integrity and allowing for movement due to thermal expansion or contraction. By keeping the glass panels correctly spaced, the pacer helps prevent issues that could arise from the glass panels expanding or shifting, which could lead to stress or damage.

Additionally, maintaining this distance is vital for effective water management and air sealing within the curtain wall system, which contributes to the building's energy efficiency and overall performance. By ensuring that the panels are comfortably positioned within the structural channels, the pacer plays a fundamental role in the longevity and functionality of the curtain wall assembly.