PD 6520:1988
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
29-07-1988
Foreword
Committees responsible
Guide
1. Scope
2. BS 476 Fire tests on building materials and
structures
2.1 BS 476: Part 3: 1958. External fire exposure roof
tests
2.2 BS 476: Part 4: 1970. Non-combustibility test for
materials
2.3 BS 476: Part 6: 1981. Method of test for fire
propagation for products
2.4 BS 476: Part 7: 1987. Method for classification of
the surface spread of flame of products
2.5 BS 476: Part 8: 1972. Test methods and criteria for
the fire resistance of elements of building
construction
2.6 BS 476: Part 11: 1982. Method for assessing the heat
emission from building materials
2.7 BS 476: Part 13: 1987. Method of measuring the
ignitability of products subjected to thermal
irradiance
2.8 BS 476: Part 20: 1987. Method for determination of
the fire resistance of elements of construction
(general principles)
2.9 BS 476: Part 21: 1987. Methods for determination of
the fire resistance of loadbearing elements of
construction
2.10 BS 476: Part 22: 1987. Methods for determination of
the fire resistance of non-loadbearing elements of
construction
2.11 BS 476: Part 23: 1987. Methods for determination of
the contribution of components to the fire
resistance of a structure
2.12 BS 476: Part 24: 1987. Method for determination of
the fire resistance of ventilation ducts
2.13 BS 476: Part 31: Section 31.1: 1983. Methods for
measuring smoke penetration through doorsets and
shutter assemblies, Section 31.1 Method of measure-
ment under ambient temperature conditions
3. BS 2782 Methods of testing plastics
3.1 Content and usage of BS 2782
3.2 Withdrawn methods
3.3 Method 508A of BS 2782: 1970. Rate of burning
(laboratory method)
3.4 BS 2782: Method 120A: 1976. Determination of the
Vicat softening temperature of thermoplastics
3.5 BS 2782: Method 140D: 1980. Flammability of a test
piece 550 mm x 35 mm of thin polyvinyl chloride
sheeting (laboratory method)
3.6 BS 2782: Method 140E: 1982. Flammability of a small,
inclined test piece exposed to an alcohol flame
(laboratory method)
4. Product performance
Appendix
A. Test results
Tables
1. Classification of roof test (BS 476: Part 3: 1958)
2. Classification of spread of flame
Figures
1. Fire phenomena and Part numbers of BS 476 describing
methods to examine them, related to the stages of an
uncontrolled fire in the compartment of origin
2. Standard temperature/time curve (BS 476: Part 20)
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