Assembly rating 2 h load restricted assembly evaluated in accordance with working stress design methods for use under limit states design methods.
Ulc rated concrete block wall assemblies.
Ul product iq tm.
The equivalent thickness of concrete masonry assemblies.
5 contains similar requirements but with a minimum stc rating of 45 db when tested in accordance with astm e90 for walls and floor ceiling assemblies separating dwelling units.
This is an alternative code recognized method to the underwriters laboratory ul listing service.
Meets the requirements of astm e1966 astm e119 and astm e1399.
The international residential code ref.
Ul 2079 class ii and iii movement 1 2 or 3 hour fire and hose stream.
These blocks while allowing for safe means of egress and fire rating should no longer be looked at as just normal grey cmu.
Fire rated assemblies are tested and certified in their entirety.
Access our all new collection of sound tested fire rated wall assemblies.
Horizontal section bearing or nonbearing wall 1.
For finishes on the fire exposed side of the wall a time from table 8 is assigned to the finish.
Fire rating up to 1 hour.
Concrete blocks of various designs caztc.
Ulc standards develops and publishes standards and specifications for products having a bearing on fire life safety and security crime prevention energy efficiency environmental safety security of assets and facilities live working and workplace safety.
Refer to information under guide bxuvc.
The rated fire resistive periods for block walls can be determined by knowing this information and complying with table 721 1 2 item number 3 of the international building code ibc ref.
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.
