ONE lIOt|R TIRE RESISTAI{T GYPSUM WALTBOARD

Now, with Blue Diamond 5/E" Fire Halt special core wallboard, applicator craftsmen have a ffne handling and ftnishing gypsum wallboard with a one hour fire resistioe roting.

Fire llalt may be used in institutional, commercial, industrial, apartment and home construction-wherever high quality interiors combining greet strcngtft with inueased. fire rcsistance are desired or required by building codes.

Blue Diamond's Fire Halt data sheet will be sent you on request. It gives full information on how to use Fire Halt in one hour walls, partitions and ceilings, in accordance v/ith Underwriters' Laboratories' ffre resistive rating requirements.