Pirthane® 0 is an insulating system that has Class 0 fire performance. The system consists of a low thermal conductivity insulating foam coated with a one component waterborne intumescent coating.
The system can be used to provide thermal insulation and condensation control on various surfaces including:
Pirthane® 0 meets various safety standard such as Class 0 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.
An example of Pirthane® in action is at Sovereign Quay in Eastbourne. The car park soffit of a luxury harbour side apartment block needed to be insulated to meet building regulations. The exposed marine environment meant traditional mineral fibre sprays or board insulation could not offer the long term thermal efficiency or condensation control that was required. Pirthane® 0 was the answer.The polyurethane foam was sprayed directly to the underside of the concrete soffit and achieved a 0.25 W/m2K u-value. This was followed by the intumescent fire protective coating. The result was a seamless layer of Pirthane® which is permanently adhered to the concrete substrate, guaranteed energy savings and effective condensation control for the life of the building.
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