Underwriter Labatories Fire Resistance Ratings Concrete Walls

The fire resistance rating of reinforced and plain concrete walls floors and roofs depend on equivalent thickness of the element and can be found out using table 3.

Underwriter labatories fire resistance ratings concrete walls.

For finishes on the fire exposed side of the wall a time from table 8 is assigned to the finish. To learn more call us today at 844 311 3132 or visit our easy to use contact form to request more information. Underwriters laboratories is a nonprofit organization dedicated to advancing the ul mission through the discovery and application of scientific knowledge. The result t ef is then added to the concrete masonry wall equivalent thickness t e and used in table 1 to determine the wall s fire resistance rating i e the equivalent thickness of concrete masonry assemblies t ea t e t ef.

We conduct rigorous independent research and analyze safety data convene experts worldwide to address risks share knowledge through safety education and public outreach initiatives and. The equivalent thickness of different types of concrete masonry is provided in the following. These values are for solid walls or slabs. Suitable fire resistance rated constructions can be identified by using our.

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