Vertical Flammability Chamber for measuring the vertical flame spread for childrens sleepwear, fabrics, other textile materials or resilient filling materials used in upholstered furniture. Comprises a draft free stainless steel cabinet with observation window and back wall painted black for easy test viewing. Specimen holders, burner and associated hardware are dependent on the test standard and must be specified. Separate enclosure for manual gas controls is located away from the flame chamber for operator convenience. Optional Automatic Gas Control System including solenoid control gas valve and automatic ignition timer and controls.