SC Glass And Glazing Practice Questions - South Carolina Glass And Glazing Contractor Examination Exam

What is the main job of edge blocks (side blocks or anti-walk blocks) in a metal glazing system?

To carry the full dead load of the lite in place of setting blocks To keep the lite from shifting sideways in the opening under vibration, racking, or repeated operation To seal the IGU spacer from ultraviolet light To replace the need for weep holes at the sill

Correct Answer:

To keep the lite from shifting sideways in the opening under vibration, racking, or repeated operation

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