Walls and ceilings shall be clean, smooth, tight and in good repair. Walls and ceilings shall have surfaces of light color and flat finish, providing adequate reflection factors.
25 Pa. Code § 171.10
Walls and ceilings shall be clean, smooth, tight and in good repair. Walls and ceilings shall have surfaces of light color and flat finish, providing adequate reflection factors.
25 Pa. Code § 171.10