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Use of MCM/ACM in 2 Hour Exterior Bearing Wall?

C

ChrisCampbell

SAWHORSE
Joined
Mar 9, 2021
Messages
43
Location
Maryland
I'm trying to find a UL wall assembly for a 2-hour exterior bearing wall in a Type I building. The design team is looking to use an MCM or ACM panel on the exterior face, but I'm having trouble finding potential UL wall assemblies. UL U425 is a common 2 hour bearing wall, but it does not mention MCM or ACM as one of the exterior facings. Does anyone have any other wall assemblies they have used in this situation? Or perhaps there is an ICC ESR report floating out there that covers a situation like this?
 
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