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Four Important Designs For Fire Resistance

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Apr 1, 2017 by Thad Goodman

OnBoard Newsletter | April 2017

OnBoard April 2017

UL Fire-Rated Assemblies are vital to a variety of design and construction applications. So, to ensure you have what you need for all your projects, National Gypsum highlights these four options as “must haves” in your UL design library:

These assemblies cover a range of needs, which we detail here. But if you ever need to design an assembly to meet a specific UL fire rating, please contact your National Gypsum Construction Design Manager. He or she is ready and able to help you specify the best products for whatever you have on the drawing board.

OnBoard April 2017 | UL I504
UL I504

Four Important NGC UL Fire-Rated Assemblies

UL Design I504

Use: Rated ceilings above corridors, mechanical rooms, or other incidental uses required by Section 509 of the IBC.

OnBoard April 2017 | UL M514
UL M514

UL Design M514

Use: Floor-Ceiling between units in multifamily projects. Provides STC (Sound Transmission Class) rating of 58 and IIC (Impact Insulation Class) rating of 57.

OnBoard April 2017 | UL W450
UL W450

UL Design W450

Use: Ideal for tenant separations in shopping centers, malls or anywhere rated walls occur along column lines.

OnBoard April 2017 | W454
UL W454

UL Design W454

Use: Area Separation Walls in multifamily construction over concrete podium.

If you have questions or desire more information, please call on us. As always, we are here to help you design and build better.

"UL Design I504 is a real problem solver for those pesky transitional areas in commercial building construction. Providing life safety between floors with HVAC equipment is often a challenge. This is a viable option when you have varying vertical heights in common spaces."

Thad Goodman

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Thad Goodman

Construction Design ManagerNational Gypsum

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