NFPA 701 Method 2 Drapery Flammability Tester NFPA 701 is the Standard Methods of Fire Tests for Flame Propagation of Textiles and Films. The standard is divided into Method 1 and Method 2 according to fabric weight. This Flame Propagation Tester is manufactured in accordance with NFPA 701 Method 2 and is suitable for testing single or multi-layer fabric panels heavier than 700 g/m² (21 oz/yd²), as well as polyethylene-coated fabrics and similar materials. Applicable Standard