Ulc Rated Concrete Block Wall Assemblies

This is an alternative code recognized method to the underwriters laboratory ul listing service.

Ulc rated concrete block wall assemblies.

These blocks while allowing for safe means of egress and fire rating should no longer be looked at as just normal grey cmu. 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. Access our all new collection of sound tested fire rated wall assemblies.

Fire rating up to 1 hour. 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. Concrete blocks of various designs caztc. 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. Ul 2079 class ii and iii movement 1 2 or 3 hour fire and hose stream. Meets the requirements of astm e1966 astm e119 and astm e1399. 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.

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. Assembly rating 2 h load restricted assembly evaluated in accordance with working stress design methods for use under limit states design methods. 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 product iq tm.

The international residential code ref. 2 h rating based on noncombustible members framed.