BS-4841-6 Complete Document History
Rigid polyisocyanurate (PIR) and polyurethane (PUR) products for building end-use applications


Obsolete Revision Information:
   WITHDRAWN - WITHDRAWN WITHOUT SUPERSEDING DOCUMENT - Sept. 22, 2023
   2006 EDITION - Rigid polyisocyanurate (PIR) and polyurethane (PUR) products for building end-use applications. Specification for laminated boards with auto-adhesively or separately bonded facings for use as thermal insulation for floors - July 20, 2006