TILE THICKNESS 1/2" 5/8" 1" Density* 1.5 1.5 1.5 Flame Spread* 5 5 5 Smoke Density* 15-50 15-50 15-50 Thermal conductivity R value* 2 2.5 4.55 Coeff.of thermal expansion 0.00004 Effective temperature intermittent Max. 180F Compressive strength at 5% deflection(avg.) 23 Flexural strength 63 Capillarity None Water vapor transmission 07. - 1.3 Water absorption(by volume) Less than 1.5 Fuel contribution 0 Smoke toxicity Less than wood Light reflectance Grade LR 1 Reflects 94% of light THERMO-TILE specifications starred(*) are Flame Spread and Smoke Development Recorded while the material remains in the original test position.
	ARCHITECT AND SPECIFIER GUIDE Ceiling tile shall be polystyrene molded THERMO-TILE pattern number (2201) or equal. Tile shall have a fire test rating using the ASTM E-84 (84A) method not to exceed the following: Flame spread(5), smoke density (225-360). Thickness shall be (1') with a nominal density of (1.5) lbs. per cubic foot, and a thermal R value of (4.55).
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