Nevada Administrative Code
Chapter 452 - Cemeteries
Section 452.130 - Roofs and skylights

1. The roof of every building used for the permanent interment of the remains of deceased persons must be constructed of reinforced concrete, granite, tile or marble. The upper surface of all roofs made of reinforced concrete must be covered with asphalt or other material which resists fires.

2. Frames for skylights must be made of galvanized iron which is not less than 24-gauge or copper. All joints must be riveted and soldered. All glass in skylights must be wireglass not less than one-fourth of an inch in thickness.