Specifically designed for Rainscreen cladding applications, Celotex RS5000 meets the performance criteria in BR 135 and therefore is suitable for buildings above 18m

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Suitable for use in warm steel frame constructions for ventilated facade applications, Celotex RS5000 can be used in buildings above 18 metres in height – a first for PIR insulation.

With low emissivity textured aluminium foil facings, Celotex RS5000 comprises rigid polyisocyanurate foam core (PIR) using a blowing agent that has low global warming potential (GWP) and zero ozone depletion potential (ODP).

  • Board size: 1200 x 2400mm
  • Thickness : 50-150mm
  • Lambda: 0.021 W/mK
  • Facer: Super low emissivity textured aluminium foil facings

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Celotex RS5000 is a premium performance PIR insulation board that:

  • Has been tested to BS 8414-2:2005, meets the requirements in BR 135 and the first PIR insulation suitable for rainscreen cladding applications above 18  metres in height
  • Features Class O fire performance
  • Has a super low lambda value of 0.021 W/mK
  • Achieves an 'A+' rating when compared to the BRE Green Guide
  • Designed to enhance the thermal performance of insulated façade systems
  • Can be used as sheathing to warm steel frame constructions or fixed directly to masonry for overcladding applications.