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Quinn Therm QF PIR Insulation Board - 2400mm X 1200mm X 20mm

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Quinn Therm QF consists of a core of polyisocyanurate foam with bonded foil facings. Quinn Therm QF PIR Insulation is a high performance, fibre free board, with a rigid thermoset insulation core and faced on both sides with a low emissivity composite foil facing.

The gas filled cells give QF its high thermal performance and strength while its foil facings maximises performance in individual applications. Quinn Therm QF has a high compressive strength of which allows it to withstand the dead and imposed loads transmitted through the floor.

Quinn Therm QF PIR Insulation Board Specifications

Length: 2400mm
Width: 1200mm
Thickness: 20mm
Thermal Conductivity: 0.022W/mK
Edging: Square Edge
Facing: Composite Foil
Fire Performance
BS 476-7: Class 1
BS EN 13501-1: Euroclass E


  • High Compressive Strength
  • Suitable for domestic and most commercial applications
  • Suitable for new build and refurbishment projects
  • Optimises the performance of any underfloor heating
  • Ideal solution for upgrading the thermal performance of existing floors
  • Reduces heat loss by air infiltration through a suspended timber floor
  • Low thermal conductivity
  • Minimises the thickness required to achieve the design U-value


Length 2400mm Thickness 20mm Width 1200mm


Thermal Conductivity 0.022 W/mK Edging Square Edge Facing Foil Material PIR


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Questions & Answers


Would this item be suitable as dry line insulation to internal walls beneath a dry plasterboard? How is the item fixed to a wall?


Hello, yes this would bu suitable as insualtion for walls.

This is fixed mechanically see datasheets on our website for correct fixings to use.


Anything else we can do call the ISS team on 01752 692 206


Would this be suitable to insulate between battons on a single skinned out building and be laid on a concrete floor with chipboard laid on top ?


Yes this would be suitable.

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Quinn Therm QF PIR Insulation Board - 2400mm X 1200mm X 20mm

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