2 Hour Fire Rated Exterior Wall at Exterior

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2 Hour Fire Rated Exterior Wall. The mbma fire tests of exterior walls in 1997 resulted in a new uldesign, no. * 2 layers, 5/8 in.

LP FlameBlock FireRated Assemblies LP Building Products
LP FlameBlock FireRated Assemblies LP Building Products from lpcorp.com

Each system can be customised to provide the exact level of fire performance required and a range of acoustic and thermal performance to meet each specific. 1 hour * 2 layers, 1/2 in. Thick, 4 ft wide wood plywood siding panels or 7/16 in.

LP FlameBlock FireRated Assemblies LP Building Products

2 hour, load bearing rated from one side (interior side only). Exterior facings 2 hour load bearing wall max. Design criteria and allowable variances. Thick 100 *ratings applicable to assemblies serving as exterior walls where classified fire resistive gypsum sheathing type wallboard is substituted on the exterior face.