PIRTHANE® ‘0’ is an insulating system with excellent fire resistant properties. It complies with the requirements for a Class 0 surface as defined in appendix A paragraph 12 of Approved Document B ‘Fire Safety’, to the Building Regulations 2010. It has a Class 1 surface spread of flame when tested to BS476 Part 7 1997; when tested to BS476 Part 6 1989 the material achieved a fire propagation index (I) of not more than 12 and subindex (i1) of not more than 6.
PIRTHANE® ‘0’ comprises of a low thermal conductivity insulating foam (PIRTHANE® HR) coated with a one component waterborne intumescent (PIRTHANE® FPC).
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Isothane is consulted before specifying.
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| Uniclass (?) | Pr_25_31_28 Expanding foams | |