2 Hour Rated Exterior Wall
A nominal 4 in.
2 hour rated exterior wall. Building Code 2018 of Illinois 31 Special Construction 3104 Pedestrian Walkways and Tunnels 31045 Connections of Pedestrian Walkways to Buildings 310451 Fire Barriers 3104511 Exterior Walls. 203-mm limestone aggregate concrete masonry wall with a maximum control joint width of ½ in. Fire Rating 2 Hours.
Corridor walls permitted to have a 1 2hour fireresistance rating by Table 10201 2. Thick 100 1 ½ hr. 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.
Thick 80 3 layers ½ in. One-hour fire-resistance-rated exterior walls that terminate at the underside of the roof sheathing deck or slab provided. For exterior walls with a fire separation distance of greater than 10 feet the required fire-resistance-rating applies only to exposure from the interior.
Frame System Steel stud non load bearing System Thickness 10-34. Elements of buildings the fire-resistance rating classifies the ability of an assembly to confine and isolate fire within a zone comprised of fire-resistance rated walls ceiling and floor assemblies. Have a Question About Assemblies.
That table is in the IWall Covering Section of the codebook. For example for an 8-in. Install 58-inch Type C drywall on the interior surface and 12-inch gypsum sheathing on the exterior.
Results 1 - 20 of 58. Click the link above each design number below represents a James Hardie 1 hour Fire Resistive Wall Assembly. Also cites circumstances requiring 1- and 2-hour rated walls and until now typical rated wood-frame stud walls have been used to meet those needs.