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BS 4841-4:2006
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Rigid polyurethane (PUR) and polyisocyanurate (PIR) products for building end-use applications Specification for laminated insulation boards (roofboards) with auto-adhesively or separately bonded facings for use as roofboard thermal insulation under non-bituminous single-ply roofing membranes
Hardcopy , PDF
13-09-2023
English
20-07-2006
Foreword
1 Scope
2 Normative references
3 Terms, symbols and definitions
4 Construction and composition
5 Requirements
6 Designation
7 Marking
Annexes
Annex A (informative) Method for the determination of areas
of unbonded facings
Annex B (informative) Information for users and designers
Annex C (informative) Reaction to fire performance of
PIR and PUR products and recommendations
regarding their use
Annex D (informative) Information on the installation of
roofboards into single-ply roofs
Bibliography
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