3 Hour Fire Rated Concrete Wall

Since the concrete and grout pours are integral components of the structural system once they are completed so is the fire rated assembly.

3 hour fire rated concrete wall. If you fill all the cells. Equation 6 is used to compute the fire resistance of precast concrete wall panels constructed from two layer of concrete between which a layer of foam plastic is sandwiched. From t 1 t. Wall assemblies usg provides resources here for our ul wall assemblies for seamless integration into any construction project.

One system exceptional fire rating. The required equivalent thickness of an assembly constructed of units made with expanded shale 80 by volume and calcareous sand 20 by volume to meet a 3 hour fire resistance rating is determined as follows. Portland cement stucco 5 8 thick both sides applied directly to c m u. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.

50 8 mm light gauge steel h studs and a layer of 5 8 fire shield c gypsum board fastened to each side of the studs. The 3 hour area separation wall system is a 3 hour fire wall consisting of two layers of 1 in. They say we have to show them a fire rating for such a wall from an established agency though they say they are ready to accept an 8 inch concrete block wall. 2 hour rating requires a 10 deep block if you need to achieve a 4 hour fire rating you can either use a 12 deep lightweight block or you can fill all the core holes with sand grout or perlite.

3 hour fire rating fire rating. Preferred product 910720 c m u. 25 4 mm shaftliner panels friction fit between 2 in. Westbrook block is a proud producer of underwriters laboratories ul approved fire rated cmu both light weight and normal weight densities in 2 3 and 4 hour configurations.

Page e 80 1 from the so called green book published by the american insurance association gives estimated ratings for reinforced concrete. Allowing for safe means of egress and a higher.