2 Hour Fire Rated Cmu Wall Detail

1 groupfire resistance rating hr a b e h 4 i r 1 r 2 u3a f 1 h 3b h 5 m s 13 h 1 h 24b f 2 s 2 r 3 r 42 a walls shall not be less than 2 hour fire resistance rated where separating buildings of type ii or v construction.

2 hour fire rated cmu wall detail.

Head of wall firestop system proform quick set fs 90 compound 1 side ul design u411 v438. Expanded slag or pumice 4 7 4 5 4 4 4 2 4 0 3 8 3 6 3 4 3 2 3 0 2 7 2 5 2 1 1 9 1 5 a fire resistance rating between the hourly fi re resistance rating periods listed may be determined by linear in terpolation based on the equivalent thickness value of the concrete masonry unit. Double the number of type x sheets on the wall for a simple system installed over fire resistant fiberglass insulation. Accepts no responsibility for proper application of the rated wall.

Ss 211 2 hour partition to steel deck. Ss 503 control joints for fire. B for group h 1 h 2 or continue reading detailing concrete masonry fire walls. Ss 212 2 hour chase wall to steel deck.

Each sheet of 5 8 inch type x drywall is rated to resist fire for one hour so two layers will produce a two hour firewall. 203 mm limestone aggregate concrete masonry wall with a maximum control joint width of in. Face shell or full mortar bedding as. By including both hose stream test procedures.

Concrete masonry wall. Ss 210 2 hour partition to concrete slab. 13 mm a 1 in. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.

Offered by concrete masonry fire separation walls will help contain the fire until it can be controlled. Table 1 required fire wall fire resistance ratings ref. 25 mm thickness measured perpendicular to the face of the wall of ceramic fiber in the joint can be used in walls with fire resistance ratings up to 3 hours while a 2 in. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.

Put two sheets together on one side or use one sheet on each side of a wall. Masonry grout reinforcing steel joint reinforcement anchors ties and accessories not depicted above optional. Astm c 270 masonry mortar type m or s. Westbrook block is a proud producer of underwriters laboratories ul approved fire rated cmu in both light weight and normal weight densities in 2 3 and 4 hour configurations.

These blocks while allowing for safe means of egress and fire rating should no longer be looked at as just normal grey cmu. Two hour rated walls subjected to the hose stream test of astm e 119. A 2 hour rating can be achieved by a wall with an equivalent thickness of as little as 3 1 5 inches when expanded slag or pumice is used or 4 1 2 inches when siliceous gravel is used as the aggregate. Along with this built in fire protection.

For cored units the equivalent wall thickness is calculated by multiplying the percent solid by the wall thickness.