insPIRe® U MAX | BOKKA

PIR wall panel with concealed fixing and modified core — λD 0.019, Ud,s 0.14 W/m²K at 140 mm.

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insPIRe® U MAX | BOKKA

insPIRe® U MAX | BOKKA

Product description

insPIRe® U MAX stands out among GOR-STAL PIR wall panels through its modified polyisocyanurate core with conductivity λD = 0.019 W/(m·K) — 14% lower than standard PIR (0.022). Combined with concealed fixing and the GS-Lock joint with factory PUS sealant, the panel offers an optimal mix of thermal efficiency, airtightness and facade aesthetics. At 140 mm thickness it delivers Ud,s = 0.14 W/m²K, matching the requirements of energy-efficient buildings. AVCP level 1 certification confirms detailed production control by a notified body.

Construction and features

  • Profiled steel facing gives walls an aesthetic appearance
  • Concealed fixing fastener giving facades a more uniform appearance
  • Large lock profile radius keeping the steel protective coating intact
  • Double lock joining the panels ensuring high fire-tightness performance
  • Auxiliary groove easing positioning of the fixing fastener
  • Profiled edges facilitating installation and improving thermal insulation
  • Continuous polyurethane sealant maintaining high thermal insulation. Applied during the production process
  • Aluminium foil preventing water vapour ingress into the polyurethane foam core
  • Rigid PIR foam core with very good thermal and fire properties

Available facing profiles

Sheet profiling affects facade aesthetics and joint thermal insulation. Click a tile to enlarge the drawing.

Available facing colours

All colours per RAL system. Availability of some colours may depend on facing thickness.

Exterior facing

RAL 3000
RAL 5010
RAL 6011
RAL 7016
RAL 7035
RAL 8017
RAL 9002
RAL 9006
RAL 9007
RAL 9010

Interior facing

RAL 9002
RAL 9010

Applications

  • external and internal walls with high thermal insulation requirements
  • low-energy and passive buildings in skeleton construction
  • cold stores requiring thin partitions at low U

Benefits for designers and contractors

  • λD 0.019 — best in the PIR wall line — 14% better insulation vs. standard PIR panels 0.022
  • Ud,s 0.14 at 140 mm — meets the requirements for NF15 energy-efficient buildings
  • Concealed fixing — clean aesthetic facade with no visible fasteners and no corrosion points
  • AVCP 1 certification — highest level of performance oversight
  • 10 external RAL colours — full standard palette
  • Factory PUS sealant — joint airtightness guaranteed at production level