Patent ID: 7934349

Claim:
A firewall comprising: a frame assembly having at least two tubular steel studs extending generally vertically, each said stud having an inner surface, and outer surface, said studs defining an inter-stud space therebetween; a wall assembly having an offset inner strata, an inter-stud strata, and an offset outer stratum; said wall assembly inner strata coupled to said each said stud inner side; said wall assembly outer stratum directly coupled to each said stud outer side; said inter-stud strata disposed in said inter-stud space; said frame assembly includes at least two spaced, horizontal furrings extending between and coupled to said each said stud inner surface; said offset inner strata includes a thermafiber stratum disposed between said at least two horizontal furrings; and said inner strata being directly coupled to said at least two horizontal furrings.