A high performance insulation board manufactured from CFC or HCFC free, closed cell Polyiso (PIR) rigid foam, covered on the top side by a bitumenous mineral fibre facer, ideal for hot torch applications, and saturated mineral fibre facer on the bottom side against humidity.

Suggested for roofs covered with bituminous waterproofing membranes, which can be torched welded to Stiferite insulation panels.

  • Dimensions: 600 x 1200 mm
  • Standard Thickness: from 30 to 140 mm
  • Thermal Conductivity: D=0,025 to 0,028 W/mK (depending on panel thickness)
  • Acoustic Isolation of Wall: 40 dB
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Insulation for roofs

Insulation of flat, or ventilated/non ventilated pitched roofs under waterproofing bituminous membrane

Stiferite B: Technical data sheet

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