EP1: How to use Type X and Type C gypsum board in UL assemblies

What is the difference between Type X and Type C gypsum board and when should you use each? Chris Whitmire, director of product marketing at National Gypsum Company, sits down with Mark Chapman, senior manager of the 1-800-NATIONAL® Construction Services team, to discuss the nuances between these types of gypsum board and how to best use them in fire-rated assemblies. 

Listeners will learn:

• How Type X gypsum board is defined by ASTM C1396, Standard Specification for Gypsum Board, for ½", ⅝" and 1" thicknesses and how each relates to hour ratings 
• What Type C gypsum board is
• How to use Type C gypsum board to reduce the layers of standard Type X in floor-ceiling assemblies
• How Type X and Type C products are specified in fire-rated assemblies
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