| 摘要 |
The present invention is directed to a profile used to support fire retardant and or wall sheathing behind opposing wall sheathing edges, horizontally at head of walls, and behind control/reveal joint profiles. The profiles are shaped to support wall sheathing, intumescent stopping, and fire rated rips of wall sheathing and work in a manner that allows protection or support of intersecting opposing drywall edges.
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