BS 747:2000
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Reinforced bitumen sheets for roofing. Specification
Hardcopy , PDF
01-07-2007
English
15-04-2000
Committees responsible
Foreword
1 Scope
2 Normative references
3 Class 1 - Bitumen sheets (fibre base)
4 Class 3 - Bitumen sheets (glass fibre base)
5 Class 4 - Sheathing felts
6 Class 5 - Bitumen sheets (polyester base) with oxidized
bitumen coating
Annex A (informative) Uses of BS 747 products
Annex B (normative) Procedure for sampling and selection of
specimens of roofing sheets and methods of
determining the masses of constituent
materials
Annex C (normative) Procedure for the selection and testing of
samples of base material
Annex D (normative) Procedures for testing bitumen polyester
sheets
Bibliography
Table 1 - Masses per unit area of components and lengths of
rolls of Class 1 bitumen sheets (fibre base)
Table 2 - Class 3 bitumen sheets (glass fibre base) -
Composition and roll lengths
Table 3 - Nominal masses of Class 4 sheathing felts
Table 4 - Physical test requirements of polyester base
Table 5 - Class 5 bitumen polyester sheets - Composition
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