Tex. Property Code § 92.155: HEIGHT REQUIREMENTS--SLIDING DOOR SECURITY DEVICES.

A sliding door pin lock or sliding door security bar required by this subchapter must be installed at a height not higher than:

(1) 54 inches from the floor, if installed before September 1, 1993; or

(2) 48 inches from the floor, if installed on or after September 1, 1993.

Amended by Acts 1993, 73rd Leg., ch. 357, Sec. 3, eff. Sept. 1, 1993.