Mayplas 534 Foil Faced and Flanged Glass Fibre Roll is designed for use in thermal and acoustic applications where good tear strength and fixing flanges are required, typically between studwork, rafters and ceiling joists. The foil facing forms a vapour barrier to DIN 53122 and is usually placed on the warm side of the structure.

Consists of 10 kg/m³ density glass fibre roll faced and flanged on one side with FSK foil.


  • 60–200 mm thicknesses.
  • Vapour barrier to DIN 53122.
  • Class 1 surface spread of flame.
  • To suit 400 or 600 mm centres.

General information

Uniclass 2015

Pr_25_57_06_53 Mineral wool insulationPrimary


P10/10 Loft insulation

P10/125 Insulation laid between ceiling ties/ joists

P10/135 Insulation laid across ceiling ties/ joists

P10/140 Insulation fitted between rafters

P10/15 Insulation fitted between rafters

P10/190 Insulation fitted between studs

P10/220 Sound insulation within timber framed separating wall

P10/240 Insulation fitted between floor joists

P10/250 Insulation supported between floor joists

P10/40 Insulation fitted between studs

P10/45 Insulation laid between floor joists

P10/50 Insulation supported between joists

Specification data - Mineral wool insulation

Product Reference

534 Foil Faced and Flanged Glass Fibre Roll


60 mm

80 mm

100 mm

150 mm

170 mm

200 mm

Product Options

Foil facing:

  • Foil/ Scrim/ Kraft paper laminate.
  • Vapour barrier to DIN 53122.
  • Class 1 surface spread of flame to BS EN 476-7.

Glass fibre nominal density:

10 kg/m³.

Thermal resistance (R-value):

  • 60 mm: 1.35 W/m²K.
  • 80 mm: 1.80 W/m²K.
  • 100 mm: 2.25 W/m²K.
  • 150 mm: 3.40 W/m²K.
  • 170 mm: 3.85 W/m²K.
  • 200 mm: 4.50 W/m²K.

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