2 Hour Fire Rated Cmu Wall Detail

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.

2 hour fire rated cmu wall detail.

Ss 210 2 hour partition to concrete slab. Ss 503 control joints for fire. Double the number of type x sheets on the wall for a simple system installed over fire resistant fiberglass insulation. Head of wall firestop system firestop sealant.

Table 1 required fire wall fire resistance ratings ref. For example for an 8 in. By including both hose stream test procedures. 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.

B for group h 1 h 2 or continue reading detailing concrete masonry fire walls. 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. Astm c 270 masonry mortar type m or s. Concrete masonry wall.

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. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. Along with this built in fire protection. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.

203 mm limestone aggregate concrete masonry wall with a maximum control joint width of in. Accepts no responsibility for proper application of the rated wall. Ss 211 2 hour partition to steel deck. For cored units the equivalent wall thickness is calculated by multiplying the percent solid by the wall thickness.

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. 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. Ss 212 2 hour chase wall to steel deck. 51 mm thickness can be used in the joints of a 4 hour wall.

13 mm a 1 in. Offered by concrete masonry fire separation walls will help contain the fire until it can be controlled. Masonry grout reinforcing steel joint reinforcement anchors ties and accessories not depicted above optional. Put two sheets together on one side or use one sheet on each side of a wall.

Two hour rated walls subjected to the hose stream test of astm e 119.