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W415-1349 / A / 03.18.15
26
EN
Non-combustible Material Defi nitions
Material which will not ignite and burn. Materials consisting entirely of steel, iron, brick, tile, concrete, slate,
glass or plasters, or any combination thereof are suitable.
Materials that are reported as passing ASTM E 136, Standard Test Method for Behaviour of Materials in a
Vertical Tube Furnace at 750°C and UL763 shall be considered non-combustible materials.
A joint compound that is resilient to heat and cracking should be used when taping and mudding
seams.
40 ¼”
(1022mm)
47 ½”
(1206mm)
2” (51mm)
MIN.
COMBUSTIBLE
MATERIAL
NON-COMBUSTIBLE
MATERIAL SUCH AS TILE,
MARBLE, GRANITE, ETC.
2” (51mm)
MIN.
9 ½”
(241mm)
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