Flamex DF has been approved for use by the California and New York City Fire Marshall and has been tested according to NFPA 701.
Rosco Flamex DF has been premixed and does not require any further dilution. The method of application and the amount of Flamex required for sufficient treatment varies with the fabrics in use.
One gallon of Flamex DF will treat approximately 600 square feet (46.4 square meters) of fabric.