BS 4841-5:2006

This standard BS 4841-5:2006 Rigid polyisocyanurate (PIR) and polyurethane (PUR) products for building end-use applications is classified in these ICS categories:

• 91.100.60 Thermal and sound insulating materials

This British Standard specifies requirements for polyisocyanurate (PIR) and polyurethane (PUR) cored thermally insulated laminated boards (roofboards) with auto-adhesively or separately bonded flexible and/or rigid facings for use in pitched roofs over, under or between rafters.

NOTE 1 Because of the changes introduced into this standard, products conforming to this standard also conform to BS EN 13165:2001 (including amendments 1 and 2).

NOTE 2 Additional information for the guidance of users, installers and designers is given in informative Annexes A, B, C and D to this standard.