ACT GPT Practice Questions - ACT Gauged Porcelain Tile & Panels Slabs Exam

Under ANSI A137.3, what is the minimum side dimension that qualifies a porcelain tile as a 'gauged porcelain tile' (GPT)?

12 inches (305 mm) on a side 15 inches (380 mm) on a side 24 inches (610 mm) on a side 1 meter (approximately 39.4 inches) on at least one side

1 meter (approximately 39.4 inches) on at least one side

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