Understanding the UL Fire Resistance Directories - Ron Blank ...
Understanding the UL Fire Resistance Directories - Ron Blank ...
Understanding the UL Fire Resistance Directories - Ron Blank ...
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Page 3 – Gypsum Board Orientationti<strong>Understanding</strong> <strong>UL</strong>10. Gypsum Board OrientationVertically applied gypsum board is gypsum board thatis applied with <strong>the</strong> long edges parallel to <strong>the</strong> framingmembers to which it is attached. Horizontally appliedgypsum board applied is gypsum board applied with<strong>the</strong> long edges perpendicular to <strong>the</strong> framingmembers to which it is attached.