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XtroLiner XO/STP

XtroLiner XO/STP

Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

Xtratherm UK Ltd

High performance polyisocyanurate (PIR) insulation for soffit application.

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+44 (0)371 2221033 www.xtratherm.com

High performance polyisocyanurate (PIR) insulation for soffit application.

XtroLiner Soffit XO/STP provides effective thermal and fire performance solutions in structural ceiling applications in commercial and residential buildings.

The high performance modified PIR insulation board, with low emissivity textured aluminium foil facings, is bonded to impact resistant 6 mm magnesium oxide board which offers a secure finish for ease of maintenance to which a decorative finish may be applied.

General information

Uniclass 2015

Pr_25_71_63_66 Polyisocyanurate (PIR) foam boardsPrimary


P10/185 Soffit insulation

P10/217 Insulation slabs fixed to backing wall

Specification data - Polyisocyanurate (PIR) foam boards

Product Reference

XtroLiner XO/STP


56 mm

66 mm

81 mm

106 mm

120 mm

Standard product features


To BS EN 13165.

Board size:

2400 x 1200 mm.

Thermal conductivity (lambda value):

Insulation: 0.021 WmK.

Product Options


Includes 6 mm magnesium oxide board.

Third party certifications
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