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Inverted Roof Insulation

ProTherm SD Upstand


ProTherm SD Upstand Insulation Board is used to thermally insulate and protect upstand walls. Manufactured from a CO2 blown extruded polystyrene foam factory laminated to a 6mm thick weather resistant high impact facing board. Available in a range of thicknesses, see declared performance table for available thickness.

ProTherm SD Upstand insulation Board has a Zero Ozone Depletion Potential (ODP), a Global Warming Potential (GWP) of less than 5 and an A rating in accordance with the Green Guide to Specification.

For use with Inverted roofing waterproofing such as PermaQuik PQ6100, EshaFlex, EshaUniversal and ParaFlex.

For a comprehensive NBS J31 specification contract Radmat Building Products.


Install ProTherm SD Upstand Insulation Board after completion of the PermaQuik PQ6100 or EshaFlex inverted roofing system.

ProTherm SD Upstand Boards should be trapped at the base by the horizontal ProTherm insulation board. As long as the ProTherm SD upstand boards are well protected no additional attachment method is required unless the ProTherm SD upstand board is more than 3 times the height of the horizontal ProTherm insulation board. (Please see the Product Data Sheet for further detailed installation instructions)

Description  Value
Board Width 1200mm
Board Thickness (inc. facing) 20/40/50/60/80/100/120/150mm
Board Length 2400mm
Edge Profile Shiplap
Thermal Conductivity < 60mm Declared – 0.030 W/mK
< 60mm Design – 0.031 W/mK
> 60mm Declared – 0.031 W/mK
> 60mm Design – 0.032 W/mK

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