37 Tex. Admin. Code § 259.750
Ceilings within inmate housing areas shall be constructed of a minimum 4" thick concrete plank reinforced with #4 bars 8" on center each way or a minimum 10 gauge steel plate. Innovative design concepts are encouraged and comparable materials and methods approved by the Commission may be utilized for ceiling construction.
Source Note:The provisions of this §259.750 adopted to be effective September 2, 1997, 22 TexReg 8405; amended to be effective September 1, 1998, 23 TexReg 8845.