NFPA® 268 Standard Test Method for Determining Ignitability of Exterior Wall Assemblies Using a Radiant Heat Energy Source 2012 Edition

Chapter 1 Administration
1.1 Scope
1.2 Purpose
1.3 Application
1.4 Units and Formulas
1.5 Precision or Bias
Chapter 2 Referenced Publications
2.1 General
2.2 NFPA Publications
2.3 Other Publications
2.4 Extracts for References in Mandatory Sections (Reserved)
Chapter 3 Definitions
3.1 General
3.2 NFPA Official Definitions
3.3 General Definitions
3.4 Testing Terminology.
Chapter 4 Summary of Method
4.1 Test Panel Orientation
4.2 Test Setup
Chapter 5 Radiant Panel Apparatus and Specimen Mounting System
5.1 Radiant Panel
5.2 Test Specimen
5.3 Radiation Shield
5.4 Spark Igniter
5.5 Ambient Conditions
Chapter 6 Instrumentation and Documentation
6.1 Heat Flux Meter
6.2 Thermocouples
6.3 Photographic Documentation
Chapter 7 Test Specimen and Mounting
7.1 Specimen Detail
7.2 Mounting
Chapter 8 Calibration of the Test Equipment
8.1 Calibration
8.2 Spacing
8.3 Validation
Chapter 9 Test Specimen Conditioning
9.1 Conditioning
Chapter 10 Safety Precautions
10.1 Gas Hazard
10.2 High Temperature and Pressure
10.3 Products of Combustion
Chapter 11 Test Procedure
11.1 Conditioning
11.2 Specimen and Test Equipment
11.3 Radiant Panel Preheat
11.4 Specimen Exposure
11.5 Heat Flux Variation
Chapter 12 Report
12.1 Information
Chapter 13 Calibration
13.1 Heat Flux Meters
Annex A Explanatory Material
Annex B Commentary on Radiant Ignition Test
Annex C Informational References
Index