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There are many UL Designs for a 2-hour rated wall. The UL number represents a type of construction, with specific materials and specific installation requirements. There are many variations, thus many UL numbers.
UL Des U334, provides a 2-hour rating, with this construction method.
If you would like to find a UL Design, 2-hour rated wall with different materials, click the link below, and fill in the options that apply :
UL Design Finder
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