The result t ef is then added to the concrete masonry wall equivalent thickness t e and used in table 1 to determine the wall s fire resistance rating i e the equivalent thickness of concrete masonry assemblies t ea t e t ef.
Ulc rated concrete block wall assemblies.
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.
Meets the requirements of astm e1966 astm e119 and astm e1399.
Concrete blocks of various designs caztc.
Ul product iq tm.
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.
Ul 2079 class ii and iii movement 1 2 or 3 hour fire and hose stream.
Horizontal section bearing or nonbearing wall 1.
You can access all current ul fire resistance rated designs using our free product iq tm on line search tool available at product iq is free to use and only requires a simple one time registration.
The equivalent thickness of concrete masonry assemblies.
Assembly rating 2 h load restricted assembly evaluated in accordance with working stress design methods for use under limit states design methods.
Fire rated assemblies are tested and certified in their entirety.
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.
2 h rating based on noncombustible members framed.
For finishes on the fire exposed side of the wall a time from table 8 is assigned to the finish.
Access our all new collection of sound tested fire rated wall assemblies.
The international residential code ref.
Fire rating up to 1 hour.
This is an alternative code recognized method to the underwriters laboratory ul listing service.