Which type of glazing is NOT acceptable if the longest side of the material is over 24 inches?

In the context of glazing materials and their acceptable applications, conventional glazing has certain limitations regarding its dimensions and exposure to impacts. When the longest side of the glazing material exceeds 24 inches, it becomes more prone to breakage and safety concerns, especially in installations where it may be subject to human contact or environmental impacts.

Conventional glazing generally lacks the enhanced specifications of other types, such as tempered glazing, which is designed to withstand greater stress and has improved shatter resistance due to the heat treatment it undergoes. Vinyl glazing and painted glazing, while they may also adhere to specific dimensions, do not face the same stringent limitations regarding size as conventional glazing does.

Thus, when considering safety standards and applicable building codes, conventional glazing is deemed unacceptable for larger panes exceeding 24 inches in any direction, highlighting the need for the use of safer, more resilient glazing options in those scenarios.