From: John Rose <jrose36(--nospam--at)earthlink.net>
Date: Mon, 12 Jun 2000 21:26:17 -0700
See UL Designs L505, L511 and L536. All two-hr rated but joists are 16" o.c.
John Rose/APA, Tacoma, WA
> Is anyone aware of an assembly that would deliver a two hour fire rating for
> a ceiling supported by 2x or 3x joists at 24 inch centers? I thought a
> couple of layers of 5/8 inch Type X gypsum board would do it, but apparently
> not according to the UBC.
> Jim Lutz
> 10800 NE 8th Street - 7th Floor
> Bellevue, WA 98004
> (425) 455-9494
> (425) 453-9470 FAX