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Re: Ceiling Fire Protection

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See UL Designs L505, L511 and L536. All two-hr rated but joists are 16" o.c.
John Rose/APA, Tacoma, WA

"Lutz,James" wrote:

> 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
>
> E
>
> 10800 NE 8th Street - 7th Floor
> Bellevue, WA 98004
> (425) 455-9494
> (425) 453-9470 FAX
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