BS 4841-3:1994
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Rigid polyurethane (PUR) and polyisocyanurate (PIR) foam for building applications Specification for two types of laminated board (roofboards) with auto-adhesively bonded reinforcing facings for use as roofboard thermal insulation for built-up roofs
Hardcopy , PDF
07-20-2006
English
01-15-1994
Committees responsible
Foreword
Specification
1. Scope
2. References
3. Definition
4. Construction and composition
5. Designation
6. Properties
7. Dimensions
8. Marking
Annexes
A. (normative) Method for the determination of areas
of unbonded reinforcing facings
B. (normative) Method for the determination of
dimensional stability in built-up roofing: roll and
pour test
C. (normative) Method for the determination of
dimensional stability in built-up roofing:
temperature cycling test
D. (normative) Method for the determination of
delamination strength in built-up roofing
E. (informative) Information for users and designers
F. (normative) Method for the determination of cohesive
strength of roofboards
G. (informative) Burning characteristics of PUR and
PIR foams and recommendations regarding their use
H. (informative) Information on the installation of
roofboards into built-up roofs
Tables
1. Designation codes for thermal conductivity
2. Additional properties
3. Dimensional tolerances for lengths, widths and
diagonals
4. Thickness tolerances
D.1 Stressing rates for method 2
E.1 Relationships between roofboard thickness and metal
deck trough openings
Figures
A.1 Determination of area(s) of unbonded facings: cutting
and marking of the test specimen
B.1 Marking pattern for test specimens used in the method
described in annex B
D.1 Typical experimental arrangement for the delamination
test: high rate of loading
List of references
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