NFPA 256 : 2003

Chapter 1 Administration
  1.1 Scope
  1.2 Purpose
  1.3 Application
  1.4 Units and Formulas
Chapter 2 Referenced Publications
  2.1 General
  2.2 NFPA Publications. (Reserved)
  2.3 Other Publications
Chapter 3 Definitions
  3.1 General
  3.2 NFPA Official Definitions
  3.3 General Definitions. (Reserved)
Chapter 4 Equipment and General Test Procedures
  4.1 Apparatus
  4.2 Test Flame
  4.3 Supply Air
Chapter 5 Calibration
  5.1 Air Current
  5.2 Flame Temperature
  5.3 Rain Test
  5.4 Frequency of Calibration
Chapter 6 Preparation of Test Specimens
  6.1 Construction of Test Decks
  6.2 Application of Roofing on Test Roof Deck
  6.3 Storage and Conditioning of Test Roof Decks
Chapter 7 General Conditions
  7.1 Tests
  7.2 Mortar
  7.3 Air Current
  7.4 Roof Coverings
  7.5 Built-up Coverings
  7.6 Slope
Chapter 8 Intermittent Flame Exposure Test
  8.1 General
  8.2 Procedure
  8.3 Application of Flame
  8.4 Air Current
  8.5 Observations
Chapter 9 Spread of Flame Test
  9.1 General
  9.2 Procedure
  9.3 Application of Flame
  9.4 Observations
Chapter 10 Burning Brand Test
  10.1 General
  10.2 Procedure
  10.3 Size and Construction of Brands
  10.4 Ignition of Brands
  10.5 Test Conditions
  10.6 Duration of the Test
  10.7 Test Results
  10.8 Observations
Chapter 11 Flying Brand Test
  11.1 General
  11.2 Procedure
  11.3 Application of Flame
  11.4 Air Current
Chapter 12 Rain Test
  12.1 General
  12.2 Procedure
  12.3 Application of Water
Chapter 13 Weathering Test
  13.1 General
  13.2 Test Conditions
  13.3 Conditioning
  13.4 Plywood Decks
  13.5 Testing
Chapter 14 Conditions of Classification
  14.1 Conditions to Be Met
Chapter 15 Report of Results
  15.1 Data
Annex A Explanatory Material
Annex B Informational References
Index

Describes methods for measuring relative fire characteristics of roof coverings when fire originates outside the building. They apply to roof coverings that are intended for installation on either noncombustible or combustible decks, when applied as intended for use.