Definitions for "noncombustible"
Keywords:  ignite, combustion, astm, burn, ubc
Not combustible; not able to burn; as, drapery should be made of noncombustible materials. Opposite of combustible.
A material that, in the form in which it is used and under the conditions anticipated will not aid combustion or add appreciable heat to an ambient fire. Materials, where tested in accordance with ASTM E136, Standard Test Method for Behavior of Materials in a Vertical Tube Furnace at 7500C, and conforming to the criteria contained in Section 7 of the referenced standard shall be considered as noncombustible.
A substance or gas that will not burn.
Keywords:  ceilings, roof, floors, walls, metal
Metal walls, floors, ceilings and roof.